Table 2.

Factors associated with TB screening: N = 2,636,691.

Variable	Number not screened (%)	Crude		Adjusted
		OR (95% CI)	P-value	aOR(95% CI)	P-value
Age group (years)
<1	241 (0.21%)	1
1–4	3,416 (2.99%)	1.53 (1.34–1.75)	< 0.001	0.99 (0.82–1.19)	0.815
5–9	4,506 (3.95%)	1.87 (1.64–2.13)	< 0.001	0.95 (0.79–1.14)	0.600
10–19	5,624 (4.92%)	1.33 (1.17–1.52)	< 0.001	0.95 (0.79–1.14)	0.581
20–24	4,704 (4.12%)	0.73 (0.64–0.83)	< 0.001	0.95 (0.79–1.14)	0.565
25–49	80,692 (70.66%)	1.04 (0.91–1.18)	0.543	1.04 (0.88–1.25)	0.597
+50	15,022 (13.15%)	1.24 (1.09–1.41)	0.001	0.99 (0.83–1.19)	0.955
Sex
Male	47,466 (41.56%)	1		1
Female	66,742 (58.44%)	0.60 (0.59–0.61)	< 0.001	0.68 (0.67–0.69)	< 0.001
Functional status
Ambulatory	1,630 (2.94%)	1		1
Bed-ridden	372 (0.67%)	0.57 (0.50–0.62)	< 0.001	0.75 (0.66–0.85)	< 0.001
Working	53.381 (96.39%)	0.25 (024–0.27)	< 0.001	0.45 (0.43–0.48)	< 0.001
Who clinical stage
Stage one	9,240 (14.01%)	1		1
Stage two	11,128 (16.87%)	1.48 (1.44–1.52)	< 0.001	2.01 (1.94–2.08)	< 0.001
Stage three	37,751 (57.23%)	2.50 (2.45–2.56)	< 0.001	3.33 (3.23–3.42)	< 0.001
Stage four	7,843 (11.89%)	2.49 (2.42–2.57)	< 0.001	3.61 (3.48–3.75)	< 0.001
Health facility type
Dispensary	42,902 (37.56%)	1		1
Health center	35,043 (30.68%)	1.08 (1.06–1.09)	< 0.001	1.26 (1.24–1.29)	< 0.001
Hospital	36,263 (31.75%)	0.94 (0.93–0.96)	< 0.001	0.94 (0.92–0.96)	< 0.001
Health facility ownership
Private	24,698 (21.63%)	1		1
Public	89,510 (78.37%)	1.59 (1.56–1.61)	< 0.001	2.39 (2.34–2.45)	< 0.001
Region
Dar es Salaam	73,363 (64.24%)	1		1
Iringa	16,386 (14.35%)	1.17 (1.15–1.19)	< 0.001	1.54 (1.50–1.57)	< 0.001
Njombe	24,459 (21.42%)	1.15 (1.13–1.16)	< 0.001	0.21 (0.21–0.22)	< 0.001
Enrolment year
2012	23,886 (20.19%)	1		1
2013	24,589 (21.53%)	1.07 (1.05–1.09)	< 0.001	1.01 (0.99–1.04)	0.275
2014	24,673 (21.60%)	1.19 (1.17–1.21)	0.001	1.07 (1.04–1.09)	< 0.001
2015	21,177 (18.54%)	1.44 (1.42–1.47)	< 0.001	1.20 (1.18–1.24)	< 0.001
2016	19,883 (17.41%)	1.84 (1.80–1.87)	0.001	1.15 (1.12–1.19)	0.001