Table 1. Characteristics of participants according to weight change at the follow-up survey (2003-2007).
| Weight change (kg) | |||||||
|---|---|---|---|---|---|---|---|
|
| |||||||
| Loss (>10) | Loss (>5–10) | Loss (>2.5–5) | Stable (±2.5) | Gain (>2.5–5) | Gain (>5–10) | Gain (>10) | |
| Men (n=27,181) | |||||||
| Participants, n | 1,146 | 2,450 | 3,033 | 11,242 | 3,838 | 3,626 | 1,846 |
| Age at baseline, year | 59.6 ± 8.5 | 59.8 ± 8.5 | 59.4 ± 8.3 | 57.6 ± 8.2 | 55.7 ± 7.7 | 54.2 ± 7.2 | 52.7 ± 6.6 |
| Age at follow-up, year | 70.7 ± 8.6 | 70.9 ± 8.5 | 70.3 ± 8.3 | 68.4 ± 8.2 | 66.7 ± 7.7 | 65.2 ± 7.2 | 64.0 ± 6.6 |
| Weight at baseline, kg | 94.3 ± 18.6 | 83.0 ± 14.6 | 78.6 ± 13.4 | 76.4 ± 12.6 | 78.1 ± 12.9 | 80.7 ± 13.7 | 87.8 ± 16.6 |
| Weight at follow-up, kg | 77.5 ± 18.5 | 75.8 ± 14.5 | 74.7 ± 13.4 | 76.5 ± 12.7 | 82.0 ± 13.0 | 88.0 ± 13.8 | 103.5 ± 18.5 |
| BMI at baseline, kg/m2 | 30.5 ± 5.3 | 27.6 ± 4.0 | 26.4 ± 3.6 | 25.7 ± 3.4 | 26.0 ± 3.5 | 26.5 ± 3.8 | 28.1 ± 4.8 |
| BMI at follow-up, kg/m2 | 25.0 ± 5.4 | 25.1 ± 4.0 | 25.1 ± 3.6 | 25.7 ± 3.4 | 27.3 ± 3.5 | 28.9 ± 3.9 | 33.2 ± 5.4 |
| Alcohol consumption, g/day | 8.5 ± 20.7 | 10.4 ± 21.3 | 10.1 ± 19.0 | 11.5 ± 20.1 | 11.9 ± 20.9 | 12.8 ± 23.4 | 12.8 ± 22.8 |
| Ethnicity | |||||||
| African American, % | 12.4 | 7.4 | 7.3 | 6.2 | 7.1 | 8.1 | 10.2 |
| Native Hawaiian, % | 15.1 | 8.7 | 7.0 | 6.0 | 6.5 | 8.5 | 12.3 |
| Japanese American, % | 23.2 | 37.0 | 42.8 | 42.6 | 36.9 | 29.2 | 14.9 |
| Latino, % | 20.2 | 18.6 | 18.4 | 18.5 | 20.2 | 19.0 | 20.2 |
| White, % | 29.1 | 28.2 | 24.5 | 26.6 | 29.2 | 35.2 | 42.4 |
| Smoking | |||||||
| Never, % | 35.3 | 35.8 | 38.2 | 39.5 | 40.3 | 36.7 | 34.2 |
| Former, % | 49.6 | 52.0 | 52.1 | 50.5 | 50.7 | 55.1 | 57.0 |
| Current, % | 15.1 | 12.2 | 9.7 | 10.0 | 9.0 | 8.2 | 8.8 |
| Women (n=35,859) | |||||||
| Participants, n | 1,599 | 3,062 | 3,794 | 14,062 | 5,391 | 5,007 | 2,944 |
| Age at baseline, year | 60.0 ± 8.7 | 60.5 ± 8.3 | 60.0 ± 8.4 | 58.1 ± 8.3 | 56.1 ± 7.7 | 54.4 ± 7.3 | 52.5 ± 6.8 |
| Age at follow-up, year | 71.3 ± 8.8 | 71.6 ± 8.3 | 71.0 ± 8.4 | 68.9 ± 8.3 | 67.0 ± 7.8 | 65.4 ± 7.4 | 63.8 ± 6.9 |
| Weight at baseline, kg | 83.7 ± 17.8 | 70.5 ± 15.4 | 65.3 ± 14.2 | 62.0 ± 13.1 | 63.6 ± 13.2 | 66.8 ± 13.7 | 73.1 ± 15.8 |
| Weight at follow-up, kg | 67.5 ± 16.7 | 63.2 ± 15.2 | 61.4 ± 14.1 | 62.1 ± 13.1 | 67.5 ± 13.3 | 74.1 ± 13.9 | 89.5 ± 18.5 |
| BMI at baseline, kg/m2 | 31.8 ± 6.3 | 27.5 ± 5.4 | 25.7 ± 4.9 | 24.5 ± 4.5 | 25.0 ± 4.6 | 25.8 ± 4.8 | 27.6 ± 5.6 |
| BMI at follow-up, kg/m2 | 25.6 ± 5.9 | 24.6 ± 5.3 | 24.2 ± 4.9 | 24.5 ± 4.5 | 26.5 ± 4.7 | 28.6 ± 4.9 | 33.8 ± 6.6 |
| Alcohol consumption, g/day | 2.9 ± 11.5 | 3.5 ± 10.1 | 3.9 ± 11.5 | 3.9 ± 9.8 | 3.9 ± 9.7 | 4.0 ± 9.9 | 3.9 ± 11.2 |
| Ethnicity | |||||||
| African American, % | 24.9 | 15.8 | 11.0 | 8.9 | 11.3 | 13.7 | 19.6 |
| Native Hawaiian, % | 13.2 | 7.1 | 6.0 | 6.5 | 7.4 | 9.1 | 12.5 |
| Japanese American, % | 15.0 | 31.5 | 38.9 | 42.7 | 36.9 | 24.6 | 11.5 |
| Latino, % | 17.7 | 18.4 | 16.8 | 14.9 | 17.6 | 19.6 | 18.5 |
| White, % | 29.2 | 27.2 | 27.3 | 27.1 | 26.8 | 33.0 | 38.0 |
| Smoking | |||||||
| Never, % | 59.5 | 63.2 | 64.8 | 66.2 | 63.8 | 57.2 | 50.8 |
| Former, % | 28.1 | 26.4 | 27.9 | 27.2 | 30.2 | 35.7 | 40.9 |
| Current, % | 12.3 | 10.4 | 7.3 | 6.6 | 6.0 | 7.1 | 8.3 |
Abbreviation: BMI, Body mass index. Data are presented as mean ± s.d. for continuous variables.