Table I.
Baseline characteristics of participants in the 5-year follow up of the Health2006 cohort study.
| Participants in follow up (n = 2308) | Non-participants in follow up (n = 1163) | p-Value | |
|---|---|---|---|
| Gender | % (n/n total) | % (n/n total) | |
| Female | 54.2 (1250/2308) | 57.4 (668/1163) | p = 0.067 # |
| Male | 45.8 (1058/2308) | 42.6 (495/1163) | |
| Age at baseline | % (n/n total) | % (n/n total) | |
| 15–34 | 12.7 (294/2308) | 20.4 (237/1163) | p < 0.001 # |
| 35–54 | 47.8 (1104/2308) | 43.8 (509/1163) | |
| 55+ | 39.4 (910/2308) | 35.9 (417/1163) | |
| Employment status | % (n/n total) | % (n/n total) | |
| Employed or self-employed | 76.6 (1745/2279) | 68.2 (775/1137) | p < 0.001 # |
| Have been employed | 22.3 (509/2279) | 29.1 (331/1137) | |
| Have never been employed | 1.1 (25/2279) | 2.7 (31/1137) | |
| Smoking status | % (n/n total) | % (n/n total) | |
| Current daily smoker | 17.4 (399/2290) | 32.6 (374/1147) | p < 0.001 # |
| Occasional smoker | 3.6 (82/2290) | 2.7 (31/1147) | |
| Past smoker | 34.2 (784/2290) | 29.0 (332/1147) | |
| Never-smoker | 44.8 (1025/2290) | 35.8 (410/1147) | |
| Anthropometry | Mean (95% CI) | Mean (95% CI) | |
| Waist circumference in cm | 88.0 (87.5–88.5) | 90.1 (89.2–90.9) |
p <0.001§ |
| BMI in kg/m2 | 25.7 (25.5–25.9) | 26.4 (26.1–26.7) |
p <0.001§ |
| Alcohol consumption | Median (IQR) | Median (IQR) | |
| Units per week in past 12 months | 7 (3–14) | 6 (2–13) | p = 0.007 * |
| % (n/n total) | % (n/n total) | ||
| Non-drinkers, past 12 months | 3.9 (88/2285) | 8.2 (93/1141) | p <0.001 # |
# Chi-square test; * Wilcoxon-Mann–Whitney test; § Independent samples t-test.
Abbreviations: BMI = Body mass index; IQR = Interquartile range.