| Total | Diabetes | Prevalence |  | ||
---|---|---|---|---|---|---|
 | N | n | % | 95% CI | P value | |
Socio-demographic factors | Â | Â | Â | Â | Â | |
Age group (years) | 40 - 49 | 557 | 14 | 2.5 | 1.5-4.2 | 0.17 |
 | 50 - 59 | 412 | 14 | 3.4 | 2.0-5.6 | |
 | 60 - 69 | 346 | 11 | 3.2 | 1.7-5.9 | |
 | 70 - 79 | 206 | 7 | 3.4 | 1.6-6.9 | |
 | 80+ | 74 | 6 | 8.1 | 3.7-16.9 | |
 |  | 1595 |  |  |  |  |
Gender | Female | 852 | 23 | 2.7 | 1.8-4.0 | 0.19 |
 | Male | 743 | 29 | 3.9 | 2.7-5.7 | |
 |  | 1595 |  |  |  |  |
Ethnic group | Fulani | 83 | 2 | 2.4 | 0.6-8.9 | 0.87 |
 | Hausa | 384 | 11 | 2.9 | 1.6-5.0 | |
 | Ibo | 224 | 7 | 3.1 | 1.4-7.0 | |
 | Yoruba | 335 | 14 | 4.2 | 2.5-6.9 | |
 | Others | 562 | 18 | 3.2 | 2.0-5.1 | |
 |  | 1588* |  |  |  |  |
Literacy | Illiterate | 894 | 21 | 2.4 | 1.5-3.6 | 0.02 |
 | Literate | 701 | 31 | 4.4 | 3.1-4.3 | |
 |  | 1595 |  |  |  |  |
Location: residence | Rural | 1240 | 31 | 2.5 | 1.8-3.5 | 0.001 |
 | Urban | 355 | 21 | 5.9 | 3.9-8.9 | |
Location: geopolitical zone | South East | 192 | 5 | 2.6 | 1.0-7.0 | 0.90 |
 | North West | 432 | 12 | 2.8 | 1.7-4.7 | |
 | North Central | 267 | 8 | 3 | 1.4-6.2 | |
 | South South | 230 | 8 | 3.5 | 1.7-7.1 | |
 | South West | 343 | 13 | 3.8 | 2.3-6.2 | |
 | North East | 131 | 6 | 4.6 | 2.1-9.7 | |
Biophysical factors | Â | Â | Â | Â | Â | Â |
Blood pressure (mmHg) | Normal | 878 | 21 | 2.4 | 1.6-3.7 | 0.03 |
 | Hypertension (any) | 710 | 31 | 4.4 | 3.1-6.1 | |
 |  | 1588* |  |  |  |  |
Blood pressure (mmHg) | Normal | 878 | 21 | 2.4 | 1.6-3.7 | 0.13 |
 | Hypertension stage 1 | 373 | 15 | 4 | 2.5-6.5 | |
 | Hypertension stage 2 | 189 | 8 | 4.2 | 2.2-8.1 | |
 | Hypertension stage 3 | 148 | 8 | 5.4 | 2.8-10.3 | |
 |  | 1588* |  |  |  |  |
Body mass index (kg/m2) | Underweight | 187 | 3 | 1.6 | 0.5-4.9 | <0.001 |
 | Normal | 968 | 20 | 2.1 | 1.3-3.2 | |
 | Overweight | 286 | 17 | 5.9 | 3.8-9.3 | |
 | Obese | 134 | 11 | 8.2 | 4.7-14.0 | |
 |  | 1575* |  |  |  |  |
Visual acuity | Not blind (>3/60) | 1542 | 46 | 3 | 2.3-4.0 | 0.001 |
 | Blind (<3/60) | 53 | 6 | 11.3 | 5.1-23.2 | |
Total | Â | 1595 | 52 | 3.3 | 2.5-4.3 | Â |