Table 1.
Participants’ characteristics according to smoking status and sex
| Men (n = 104) | Women (n = 132) | |||
|---|---|---|---|---|
| Smoker | Never smoker | Smoker | Never smoker | |
| Participants (n,%) | 57 (55%) | 47 (45%) | 21 (16%) | 111 (85%) |
| Age (years) | 33.9 (5.7) | 33.0 (5.8) | 33.6 (6.2) | 33.9 (5.7) |
| Weight (kg) | 75.6 (24.7) | 77.3(16.8) | 77.8 (22.6) | 81.9 (21.4) |
| Height (cm) | 174.6 (7.0) | 174.2 (7.0) | 164.8 (8.3) | 162.7 (5.5) |
| Fat-free mass (kg) | 41.1 (8.3) | 41.1 (6.5) | 34.9 (4.4) | 33.2 (5.7) |
| Body mass index (kg/m2) | 24.6 (7.4) | 25.4 (4.7) | 28.8 (8.6) | 30.9 (7.8) |
| Total energy expenditure (kcal/d) | 2830 (710) | 2647 (474) | 2335 (245) | 2240 (420) |
| Cigarettes per day (n) | 6.2 (3.7) | 9.8 (9.7) | ||
| Physical activity (mean counts/min) | 230 (270) | 123 (128) | 218 (225) | 127 (225) |
| Manual occupation (%) | 81% | 66% | 57% | 50% |
| Alcohol intake (drinks per week end) | 4.5 (3.7) | 2.4 (2.9) | 2.9 (3.3) | 0.9 (1.8) |
| USA (n,%) | 23 (70%) | 10 (30%) | 12 (40%) | 18 (60%) |
| South Africa (n,%) | 18 (67%) | 9 (33%) | 6 (14%) | 37 (86%) |
| Jamaica (n,%) | 8 (36%) | 14 (64%) | 2 (8%) | 24 92%) |
| Seychelles (n,%) | 8 (36%) | 14 (64%) | 1 (3%) | 32 (97%) |
Differences in body mass index and physical activity between in smokers vs. non smokers are not statistically significant.
Unless specified otherwise, values are means and standard deviations.