Table 1.
Comparing respondents and non-respondents in terms of basic variables
| Variables | Respondents (N = 409) | Non-respondents (N = 62) | Difference (95% CI) | P-value (t-/X2 tests) |
|---|---|---|---|---|
| Socio-demographic profile at baseline | ||||
| Age, years | 44.70 ± 9.6 | 46.39 9.2 | −1.69 (−4.25–0.87) | 0.195 |
| Sex, men, n (%) | 202 (49.4) | 10 (16.1) | 33.3 (20.2–46.3) | <0.0001 |
| Africans, n (%) | 200 (48.9) | 15 (24.2) | 24.7 (11.5–37.9) | 0.0003 |
| Teachers, grades 1–7, n (%) | 181 (44.3) | 39 (62.9) | 18.6 (5.3–31.9) | 0.006 |
| Self-reported anthropometric measurements | ||||
| Body mass index (kg/m2)a | 28.85 ± 6.6 | 30.26 ± 5.0 | −1.41 (−3.13–0.31) | 0.108 |
| Self-reported comorbidities at baseline | ||||
| Cardiovascular disease, n (%) | 44 (10.8) | 21 (33.9) | 23.1 (14.1–32.1) | <0.0001 |
| Hypertension drugs, n (%) | 96 (23.5) | 27 (43.6) | 20.1 (8.4–31.7) | 0.0008 |
| Diagnosed diabetics, n (%) | 12 (2.9) | 8 (12.9) | 10.0 (4.6–15.3) | 0.0003 |
| Epilepsy, n (%) | 3 (0.73) | 6 (9.68) | 9.0 (5.4–12.5) | <0.0001 |
| Antidepressant drugs, n (%) | 4 (1.0) | 33 (53.2) | 52.2 (46.8–57.7) | <0.0001 |
| Blood donor, n (%) | 0 (0.0) | 6 (9.7) | 9.7 (6.8–12.6) | <0.0001 |
Values are expressed as arithmetic mean or number of participants (%). Differences are expressed as absolute values (95% CI).