Table 1.
Number of people screened for tuberculosis in the Zambian national tuberculosis prevalence survey 2013–14, proportion of people diagnosed with tuberculosis and association of age group (15–54 years and 55 years and above) with demographic characteristics
| Demographic characteristic | 15–54 | 55+ | Odds Ratios (95% Confidence intervals) | |||
|---|---|---|---|---|---|---|
| Population | Number of Cases | Population | Number of Cases | |||
| Overall | 38,619 | 211 (0.5%) | 7484 | 54 (0.7%) | 1.32 (0.95–1.86) | |
| Sex | Male | 16,315 | 122 (0.7%) | 3145 | 30 (1.0%) | 1.28 (0.80–2.04) |
| Female | 22,304 | 89 (0.4%) | 4339 | 24 (0.6%) | 1.39 (0.89–2.17) | |
| Location | Urban | 13,783 | 126 (0.9%) | 2274 | 19 (0.8%) | 0.92 (0.58–1.44) |
| Rural | 24,836 | 85 (0.3%) | 5210 | 35 (0.7%) | 1.97 (1.35–2.89) | |
| Province | Central | 2403 | 12 (0.5%) | 503 | 1 (0.2%) | 0.40 (0.08–1.97) |
| Copperbelt | 6608 | 74 (0.1%) | 1628 | 19 (1.2%) | 1.04 (0.51–2.14) | |
| Eastern | 5990 | 8 (0.1%) | 1167 | 4 (0.3%) | 2.57 (1.86–3.55) | |
| Luapula | 3013 | 7 (0.2%) | 646 | 2 (0.3%) | 1.33 (0.31–5.69) | |
| Lusaka | 7414 | 63 (0.9%) | 1128 | 8 (0.7%) | 0.83 (0.49–1.42) | |
| Muchinga | 1052 | 2 (0.2%) | 199 | 0 (0.0%) | NA | |
| Northern | 3296 | 17 (0.5%) | 594 | 10 (1.7%) | 3.31 (1.81–6.05) | |
| North Western | 2310 | 9 (0.4%) | 530 | 4 (0.8%) | 1.94 (1.24–3.06) | |
| Southern | 5089 | 11 (0.2%) | 594 | 4 (0.7%) | 3.12 (0.74–13.19) | |
| Western | 1444 | 8 (0.6%) | 495 | 2 (0.4%) | 0.73 (0.29–1.82) | |
| Employment Status a | Unemployed | 17,951 | 102 (0.6%) | 2779 | 22 (0.8%) | 1.40 (0.84–2.33) |
| Employed | 20,405 | 109 (0.5%) | 4494 | 29 (0.6%) | 1.21 (0.82–1.79) | |
| Highest Level of Education | No Schooling | 2172 | 8 (0.4%) | 2107 | 18 (0.9%) | 2.33 (0.99–5.49) |
| Primary | 16,759 | 98 (0.6%) | 3916 | 24 (0.6%) | 1.05 (0.61–1.79) | |
| Secondary | 18,081 | 100 (0.6%) | 1243 | 9 (0.7%) | 1.32 (0.68–2.55) | |
| Tertiary | 1576 | 5 (0.3%) | 218 | 3 (1.4%) | 4.35 (0.73–25.85) | |
| Socioeconomic Status b | Lowest | 7374 | 31 (0.4%) | 1474 | 4 (0.3%) | 0.65 (0.26–1.63) |
| Lower | 6765 | 29 (0.4%) | 1366 | 8 (0.6%) | 1.37 (0.69–2.73) | |
| Middle | 7099 | 51 (0.7%) | 1370 | 14 (1.0%) | 1.43 (0.64–3.18) | |
| Higher | 5914 | 39 (0.7%) | 1123 | 14 (1.2%) | 1.90 (0.93–3.91) | |
| Highest | 4991 | 25 (0.5%) | 849 | 3 (0.4%) | 0.70 (0.21–2.40) | |
Denominator is the total number of eligible individuals who took part in the study and fit into the relevant category being assessed
aEmployed includes occasional seasonal workers, government employees, private sector employees, self-employed, working on own land. Unemployed includes unemployed, students and housewife/homemakers
bSocioeconomic status was determined by deriving wealth indices using data collected on household assets, housing characteristics and access to utilities. This was achieved using the standard asset ownership questionnaire used in the Zambia Demographic Health Surveys