Vanessa A. Stanford

Maintenance of Weight Loss in Overweight Middle-aged Women Through the Internet

Objective: The purpose of this study was to compare weight regain in a group of perimenopausal women (48.0 ± 4.4 years old), randomized to a 12‐month weight maintenance Internet intervention or to self‐directed weight maintenance after a 4‐month weight loss treatment.

Validity of self-reported energy intake in lean and obese young women, using two nutrient databases, compared with total energy expenditure assessed by doubly labeled water

Objective: To compare self-reported total energy intake (TEI) estimated using two databases with total energy expenditure (TEE) measured by doubly labeled water in physically active lean and sedentary obese young women, and to compare reporting accuracy between the two subject groups.Design: A cross-sectional study in which dietary intakes of women trained in diet-recording procedures were analyzed using the Minnesota Nutrition Data System (NDS; versions 2.4/6A/21, 2.6/6A/23 and 2.6/8.A/23) and Nutritionist III (N3; version 7.0) software. Reporting accuracy was determined by comparison of average TEI assessed by an 8 day estimated diet record with average TEE for the same period.Results: Reported TEI differed from TEE for both groups irrespective of nutrient database (P<0.01). Measured TEE was 11.10±2.54 and 11.96±1.21 MJ for lean and obese subjects, respectively. Reported TEI, using either database, did not differ between groups. For lean women, TEI calculated by NDS was 7.66±1.73 MJ and by N3 was 8.44±1.59 MJ. Corresponding TEI for obese women were 7.46±2.17 MJ from NDS and 7.34±2.27 MJ from N3. Lean women under-reported by 23% (N3) and 30% (NDS), and obese women under-reported by 39% (N3) and 38% (NDS). Regardless of database, lean women reported higher carbohydrate intakes, and obese women reported higher total fat and individual fatty acid intakes. Higher energy intakes from mono- and polyunsaturated fatty acids were estimated by NDS than by N3 in both groups of women (P≤0.05).Conclusions: Both physically active lean and sedentary obese women under-reported TEI regardless of database, although the magnitude of under-reporting may be influenced by the database for the lean women.Sponsorship: USDA Hatch Project award (ARZT-136528-H-23-111) to LB Houtkooper and WH Howell.European Journal of Clinical Nutrition (2001) 55, 940–950

Preventing osteoporosis the bone estrogen strength training way

Learning Objectives The purposes of this article are to demonstrate that (1) osteoporosis is a debilitating disease that leads to fragile bones and bone fractures, (2) osteoporosis cannot be cured but can be prevented, and (3) low bone mineral density is a characteristic of osteoporosis. The Bone Estrogen Strength Training study results will demonstrate the following:Bone mineral density can be maintained or increased in postmenopausal women using a regime of adequate resistance and weight-bearing exercise training combined with adequate calcium intake in the short term (1 year) and the long term (4 years).In addition to calcium, other nutrients (particularly iron) interacted with hormone replacement therapy use and influenced short-term (1 year) and long-term (4 years) bone mineral density changes in the Bone Estrogen Strength Training study participants.