Table 3.
Linear regression analysis for l/WC in the total sample, men and women.
| Dependent Variable: 1/WC | Total Sample adj R2 = 18.3% |
Men adj R2 = 22.3% |
Women adj R2 = 11.1% |
||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| B | SE | p | Tolerance | VIF | B | SE | p | Tolerance | VIF | B | SE | p | Tolerance | VIF | |
| (Constant) | 1.3 × 10−2 | 1 × 10−3 | <0.001 | 1.5 × 10−2 | 3 × 10−3 | <0.001 | 1.5 × 10−2 | 1 × 10−2 | <0.001 | ||||||
| Sex (men = 1, women = 0) | 1 × 10−3 | 3 × 10−4 | 0.009 | 0.777 | 1.287 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| Age (y) | −5 × 10−5 | 3 × 10−5 | 0.161 | 0.925 | 1.081 | −6 × 10−5 | 9 × 10−5 | 0.555 | 0.889 | 1.125 | −5 × 10−5 | 3 × 10−5 | 0.180 | 0.923 | 1.084 |
| Department (nursing = 1, others = 0) | −1 × 10−3 | 2 × 10−4 | 0.003 | 0.964 | 1.037 | −1 × 10−3 | 1 × 10−3 | 0.101 | 0.949 | 1.053 | −1 × 10−3 | 3 × 10−4 | 0.010 | 0.963 | 1.038 |
| Living area (before enrollment) † | 7 × 10−6 | 2 × 10−4 | 0.870 | 0.982 | 1.019 | 2 × 10−3 | 4 × 10−4 | 0.001 | 0.956 | 1.046 | −2 × 10−4 | 3 × 10−4 | 0.403 | 0.977 | 1.024 |
| Underreporting (yes = 1) | −1 × 10−3 | 3 × 10−4 | 0.002 | 0.738 | 1.355 | −1 × 10−3 | 4 × 10−4 | 0.100 | 0.875 | 1.142 | −1 × 10−3 | 3 × 10−4 | 0.001 | 0.939 | 1.065 |
| UPF (% total energy) | 3.6 × 10−6 | 5 × 10−6 | 0.645 | 0.935 | 1.070 | −3 × 10−5 | 1× 10−5 | 0.050 | 0.807 | 1.239 | 1.5 × 10−5 | 10−5 | 0.188 | 0.949 | 1.054 |
† 1 ≤50,000 habitats, 2 ≥50,000 habitats; B: unstandardized beta coefficient; SE: standard error; VIF: variance inflation factor; NA: not applicable.