Table 2 Characteristics of Prospective Studies on Weight Gain and Hip Fracture.
Source | No. of participants | Location/Period | Gender | Age (years) | No. of casesa | Measure/Range of Loss | Study Qualityb | Adjustment for Covariatesc |
---|---|---|---|---|---|---|---|---|
Langlois et al. 1998 | 2413 | United States 1985–1986 | M | 67–104 | 72 HF | Weight Gain: Q1≤5% 5%<Q2<10% Q3≥10% | 7 | BMI at age 50 year, number of medical conditions, low mental status score, physical disability. |
Meyer et al. 1998 | 39089 | Norway 1974–1978 | F:19938 M:19151 | 37–58 | 207HF | Weight Gain(kg/12 years): F:Q1: Loss of 1.3 to gain of 1.5 Q2: Gain of 1.6 to 4.6 Q3:Gain of ≥ 4.7 M:Q1: Loss of 0.9 to gain of 2.0 Q2: Gain of 2.1 to 5.2 Q3:Gain of ≥5.3 | 9 | Age at screening, weight variability (root mean square error), mean body mass index, body height, self-reported physical activity at work and during leisure, diabetes mellitus, disability pension, marital status and smoking habits. |
Amador et al. 2006 | 1749 | United States 1993–2001 | F: 1008 M: 741 | ≥65 | 18HF | Weight Gain: Q1≤10% Q2>10% | 7 | Sociodemographic variables included age and gender, smoking status, medical conditions, depressed symptomatology, BMI, waist circumference, grip strength. |
French et al. 1996 | 33834 | United States 1986–1992 | F | 55–69 | 182HF | Weight Gain: Q1<10% Q2>10% | 7 | Baseline values of age, waist/hip ratio, BMI, BMI2, smoking status (never, former, current), pack years of cigarettes, education (<high school, high school, >high school), physical activity (low, medium, high), alcohol (0, <4, ≥4 g/d), marital status (yes/no), hormone replacement (never, former, current). |
Langlois et al. 1996 | 3683 | United States 1983–1992 | F | 67–104 | 253HF | Weight Gain: Q1≤5% 5%<Q2<10% Q3≥10% | 8 | Age at baseline, body mass index at age 50 years, cigarette smoking, alcohol consumption in the past year, number of medical conditions, impaired mobility and use of thiazide diuretics. |