James Ted McDonald

The Earnings of Immigrant Men in Canada: Job Tenure, Cohort, and Macroeconomic Conditions

Using eleven cross-sectional surveys spanning 1981–92, the authors compare the earnings of immigrant and native-born men in Canada. Apparently, recent immigrant cohorts have suffered no decline in earnings. Job tenure is found to be a strongly significant determinant of earnings; previous estimates of immigrant earnings differentials, which have not incorporated job tenure information, may partly reflect differences in tenure between immigrants and the native-born. When the sample is restricted to pairs of surveys that are close to the Census survey years, the estimates of cohort effects are sensitive to the choice of survey years. One possible explanation for that sensitivity is suggested by the finding that macroeconomic conditions are a statistically significant determinant of the rate of assimilation of recent immigrants.

Health Assimilation Patterns Amongst Australian Immigrants

This paper compares the health of Australian immigrants with that of the Australian-born population and examines the extent to which differences vary with time since migration. Health is measured using self-reports of chronic diseases from three national health surveys. Probit models are used to estimate the health effects of immigrant arrival cohorts, years since migration and country of birth. We find that the health of Australian immigrants is better than the Australian-born population, but the longer immigrants spend in Australia, the closer their health approximates that of the Australian-born population. There are variations for different immigrant groups and for particular chronic diseases.

Wages, Implicit Contracts, and the Business Cycle: Evidence from Canadian Micro Data

Evidence of macroeconomic conditions impacting the earnings of men in Canada in a manner consistent with an implicit contracting framework is found using data from eleven cross-sectional surveys spanning the years 1981-1992. The estimates are similar to those found by Beaudry and DiNardo (1991) using U.S. data. Their analysis is extended to incestigate whether the effects of macroeconomic conditions differ by age. Evidence is found that the wages of young men and men near retirement are most sensitive to changes in the macroeconomic conditions over their job tenure.

Unemployment Incidence of Immigrant Men in Canada

The unemployment incidence of immigrant and non-immigrant men in Canada is compared using 11 cross-sectional surveys spanning the years from 1982 to 1993. Recent immigrants are found to have higher unemployment probabilities than nonimmigrants with the difference being larger in recession years. Subsequently, measures of unemployment assimilation of immigrants are found to be sensitive to the macroeconomic conditions of the survey years. The main implication of the results for policy is that recent immigrants would benefit most from labour market programs that facilitate the transition of unemployed immigrants back to employment during recessions.

Head and neck cancer in Canada: trends 1992 to 2007.

Objectives The objective of this study was to investigate the changes in the epidemiology (incidence, age at diagnosis, and survival) of head and neck cancers (HNCs) in Canada in the past decade. Study Design Analysis of a national cancer data registry. Setting All Canadian hospital institutions treating head and neck cancer. Subjects and Methods Using Canadian Cancer Registry data (1992-2007), the authors categorized HNCs into 3 groups according to their possible association with human papillomavirus (HPV): oropharynx (highly associated), oral cavity (moderate association), and “other” (hypopharynx, larynx, and nasopharynx), which are not HPV related. They calculated age-adjusted incidence, median age at diagnosis, and survival for each category. Results Oropharynx tumors increased in incidence over the study time period (annual percent change: 1.50% men, 0.8% women), whereas oral cavity tumors decreased (2.10% men, 0.4% women), as did other HNCs (decreased by 3.0% for men and 1.9% for women). The median age at diagnosis for oropharynx cancer decreased by an average of 0.23 years/y. There was no change for oral cavity tumors but an increase for other HNCs of 0.12 years/y. Survival for patients with oropharynx cancer increased by 1.5%/y but was significant for men only. Survival for patients with oral cavity and other HNCs also increased in men only by 0.9%/y and 0.25%/y, respectively. Conclusion Oropharynx cancer, which is highly correlated with HPV infection, is increasing in incidence in Canada, with a decreasing age at diagnosis and an improvement in survival. This could have implications for screening strategies and treatment for oropharyngeal cancers in Canada.

Immigrant Mental Health and Unemployment

The objective of this research is to assess whether stress associated with the transition to a new country combined with additional stress arising from unemployment affects the mental health of immigrants. I use the Longitudinal Survey of Immigrants to Australia (LSIA) to examine the effect of labour force status on the mental health of immigrants. By using a rich longitudinal data set, I am able to control for individual immigrant differences whilst examining whether changes in mental health cause changes in labour force status rather than changes in labour force status causing changes in mental health. I find that causality runs from unemployment to mental health and that unemployment significantly adversely affects the mental health of immigrants. Other characteristics associated with poor mental health include; age, gender, visa category, marital status and educational attainment.

The relationship between survival and socio-economic status for head and neck cancer in Canada

BackgroundHuman papilloma virus (HPV) is emerging as the primary cause for some head and neck cancers. The objective of this study was to investigate the association between head and neck cancer (HNC) survival and socioeconomic status (SES) in Canada, and to investigate changes in the relationship between HNC survival and SES from 1992 to 2005.MethodsCases were drawn from the Canadian Cancer Registry (1992–2005), and were categorized into three subsites: oropharynx, oral cavity, and “other” (hypopharynx, larynx, and nasopharynx). Demographic and socioeconomic information were extracted from the Canadian Census of Population data for the study period, which included three census years: 1991, 1996 and 2001. We linked cases to income quintiles (InQs) according to patients’ postal codes.ResultsOverall survival, without controlling for smoking, for oropharyngeal cancer increased dramatically from 1992–2005 in Canada. This increase in survival for oropharynx cancer was eliminated by the introduction of controls for smoking. Survival for all head and neck cancer subsites was strongly correlated with SES, as measured by income quintile, with lower InQ’s having lower survival than higher. Lastly, the magnitude of the difference in survival between the highest and lowest income quintiles increased significantly over the time period studied for oropharynx cancer, but did not statistically significantly change for oral cavity cancer or other head and neck cancers.ConclusionsThese data confirm a significant impact of socioeconomic deprivation on overall survival for head and neck cancers in Canada, and may provide indirect evidence that HPV-positive head and neck cancers are more common in higher socioeconomic groups.

Import Competition and Labor Productivity

The impact of import competition on labor productivity is examined using panel data for a sample of Australian manufacturing firms over the period 1984–1993. Import competition is found to interact with domestic competition; such the positive impact of import competition on the level and rate of growth of labor productivity rises with the degree of concentration among domestic producers. The results suggest that lowering border protection on manufactured imports into Australia has led to enhanced productivity from domestic producers, especially from those producers in highly concentrated industries.

Cancer-related health behaviours and health service use among Inuit and other residents of Canada's north☆

This article identifies the extent to which demographic, socio-economic and geographic factors account for differences between Inuit and other Northern Canadian residents in health-related behaviours and health service use related to cancer incidence and diagnosis. The study population includes Inuit, Métis, First Nation and non-Aboriginal residents aged 21-65 who live in Nunavut, Northwest Territories, Labrador, Nunavik and Jamésie in northern Quebec, and the northern regions of Saskatchewan and Manitoba. Data are drawn from confidential versions of the 2000-2001 and 2004-2005 Canadian Community Health Surveys and the 2001 Aboriginal Peoples Survey produced by Statistics Canada. Multivariate Logistic regression analysis is applied to a set of health-related behaviours including cigarette smoking, binge drinking and obesity, and a set of basic health service use measures including consultation with a physician, consultation with a nurse, Pap smear testing and mammography. We found that significantly higher smoking and binge drinking rates and lower rates of female cancer screening among Inuit are found not to be accounted for by differences in observable demographic and socio-economic characteristics, location of residence or distance from a hospital. As such we conclude that health-related behaviours leading to increased cancer risk and to a lower utilization of diagnostic cancer screening appear to be due to unobserved factors specific to Inuit and their unique social-cultural context. Policy interventions to address these problems may need to be targeted specifically to Inuit Canadians and should not be considered in isolation of their broader health, economic and social environment.

Socio-economic status and head and neck cancer incidence in Canada: A case-control study

In an earlier study we identified an increased incidence of head and neck cancer (HNC) in individuals with lower socio-economic status (SES) in the United States. The objective of this study was to determine if lower SES is associated with a similar increase in the incidence of HNC in Canadian patients. We obtained data on SES (income, education and immigration status), demographic characteristics, frequency of dental visits and smoking behavior for adult patients residing in the Eastern Ontario region who were referred to the Ottawa Regional Cancer Centre with HNC. We compared the SES and frequency of dental visits of these HNC patients with the SES and frequency of dental visits of a control sample in the same region from the 2004-2005 Statistics Canada Canadian Community Health Survey (CCHS 3.1). We then performed a logistic regression analysis on the combined sample of patients and controls using incidence of HNC as the dependent variable. This allowed us to eliminate confounding variables such as tobacco intake and to isolate the effect of SES, frequency of dental visits, and immigration status on HNC incidence. There was a statistically significant decrease in the incidence of HNC among adults with a higher median family income (OR=0.5429, CI=[.3352, .8795]). Also, adults with less than grade 8 education had significantly higher rates of HNC than adults who had completed high school (OR 3.65, CI=[1.88, 7.08]). As well, immigrants had a significantly lower incidence of HNC than Canadian born adults (OR=0.3825, CI=[.2063, .7090]). Lastly, we found that individuals who typically visited a dentist less than once per year had a significantly higher incidence of HNC than individuals who typically visited a dentist at least once per year (OR=1.69, CI=[1.01, 2.83]). Even when controlling for tobacco intake, the incidence of HNC in Eastern Ontario was higher in patients with lower median family income and less than grade 8 education. It was higher in individuals who visited a dentist less than once per year, and lower in immigrants to Canada. This was similar to what has been observed in the United States. Further study into the reason for this increased incidence of HNC in patients with lower SES is warranted.