Table 2.
Multivariate logistic regression analysis showing odds ratios of following a vegetarian diet versus non-vegetarian diet in 9 864 men. All variables are controlled for the other variables in the table.
| Variable | Odds ratio | Confidence limits (95%) | P-value | |
|---|---|---|---|---|
| BMI change ages 20 to 40 | 0.939 | 0.921 | 0.957 | < 0.0001 |
| Control variables | ||||
| Age | 1.009 | 1.000 | 1.017 | 0.038 |
| Marital status (Reference: married) | ||||
| Never married | 0.945 | 0.749 | 1.193 | 0.633 |
| Separated/divorced/widowed | ||||
| 0.549 | 0.458 | 0.659 | < 0.0001 | |
| Education (Reference: college graduate or more education) | ||||
| Some college | 0.597 | 0.536 | 0.665 | < 0.0001 |
| High school or less | 0.557 | 0.476 | 0.651 | < 0.0001 |
| Ethnicity - Black vs other | 0.548 | 0.481 | 0.625 | < 0.0001 |
| Personal income (Reference: <$31,000/year) | ||||
| $31,000 - $50,000 | 1.187 | 1.047 | 1.346 | 0.007 |
| $51,000 - $75,000 | 0.837 | 0.726 | 0.965 | 0.014 |
| > $76,000 | 0.651 | 0.564 | 0.750 | < 0.0001 |
| TV watching | ||||
| < 2 hours/day vs more | 1.796 | 1.626 | 1.984 | < 0.0001 |
| Sleeping | ||||
| > 6 hours/night vs less | 1.254 | 1.132 | 1.390 | < 0.0001 |
| Physical activity | ||||
| > 150 minutes/wk vs less | 0.936 | 0.839 | 1.044 | 0.235 |
| Current BMI | 0.924 | 0.911 | 0.937 | < 0.0001 |