Table 1:
Characteristics of cases and controls
| Cases N=422 N (column %) |
Controls N=414 N (column %) |
KDHS 2014a | ||
|---|---|---|---|---|
| Genderb | Male | 275 (65) | 253 (61) | - |
| Female | 147 (35) | 161 (39) | ||
| Ageb (years) at diagnosis / interview | Mean (SD) | 59.6 (14) | 57.0 (15) | - |
| IQR | 49–69 | 45–68 | ||
| Ethnic group | Kalenjin | 242 (57) | 218 (53) | - |
| Luhya | 100 (24) | 88 (21) | ||
| Luo | 34 (8) | 31 (7) | ||
| Kikuyu | 17 (4) | 29 (7) | ||
| Kisii | 6 (1) | 25 (6) | ||
| Other | 23 (5) | 23 (6) | ||
| Religion | Protestant | 240 (57) | 266 (64) | 71% |
| Catholic | 153 (36) | 131 (32) | 20% | |
| Muslim | 2 (1) | 3 (1) | 7% | |
| None | 26 (6) | 12 (3) | 2% | |
| Other/No answer | 1 (<1) | 2 (<1) | <1 | |
| Education (score) | None (1) | 102 (24) | 94 (23) | 25% |
| Some primary (2) | 161 (38) | 106 (26) | 25% | |
| Complete primary (3) | 82 (19) | 84 (20) | 23% | |
| Some (4)/ Complete secondary (5) | 58 (14) | 82 (20) | 19% | |
| Technical college (6) /University (7) | 19 (5) | 47 (11) | 8% | |
| Mean (SD) education score | 2.5 (1.4) | 3.0 (1.7) | 3.2 | |
| Number of children | Mean (SD) | 6.2 (3.6) | 6.0 (3.4) | 5.5 Western Kenya / 6.1 Rift valley |
| Occupation | Farmer | 281 (67) | 223 (54) | 39% |
| Other | 141 (33) | 190 (46) | ||
a
Kenya Demographic and Health Survey (KDHS) 2014 national (unless region specified) estimates weighted to age and gender distribution of this study’s controls;
b
Frequency-matched design factors.