Table 2a.
Change in physical activity over 4–8 months follow-up, EC participants vs. controls, adjusted and unadjusted analysis, (N=113)
| EC participants n=59 | Controls n=54 | p value unadjusted | p value adjusted * | |||
|---|---|---|---|---|---|---|
| Baseline | Follow-up | Baseline | Follow-up | |||
| Physical activity/week in mean minutes/week | 220 | 270 | 170 | 140 | 0.17 | 0.44 |
| Physical activity/week in mean kcal/week | 810 | 1,130 | 670 | 560 | 0.29 | 0.52 |
| Walking for exercise/week1 (mean kcal/week) | 60 | 50 | 50 | 60 | 0.44 | 0.88 |
| Household chores/week2 (mean kcal/week) | 120 | 240 | 100 | 110 | 0.02 | 0.07 |
| Exercise/week3 (mean kcal/week) | 20 | 10 | 10 | 0 | 0.18 | 0.11 |
| Leisure activity/week4 (mean kcal/week) | 10 | 10 | 10 | 10 | 0.22 | 0.44 |
| Percentage who are active** | 34% | 40% | 24% | 25% | 0.46 | 0.70 |
Means were calculated as geometric means.
*Adjusted by age, gender, race, education and health status in a multivariate linear regression model
**Active individuals were defined as those who, at baseline, reported at least ten episodes in the last 2 weeks of moderate physical activity of at least 30 min duration, while inactive or “low activity” individuals were those with less activity.
1) Walking for exercise; 2) House hold chores was comprised of moderately strenuous housework, mowing the lawn, raking the lawn; 3) Exercise was comprised of hiking, jogging, biking, exercise cycle, aerobics/aerobic dance, calisthenics/general exercise, and swimming; and 4) Recreational activity was comprised of dancing, bowling and golf.