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Table 1 Univariable analysis results for sex, season, province and year of birth

From: Progress in the performance of HIV early infant diagnosis services in Zambia using routinely collected data from 2006 to 2016

Variable

Age at test

Time from diagnosis to ART

Logistic regression for testing at < 2 months

Logistic regression for time from diagnosis to ART < 2 weeks

< 2 months n (%)

< 2 weeks n (%)

OR

95% CI

P-value

OR

95% CI

P-value

Sex

 Male

550/10,537 (5.2)

2249/10,537 (21.3)

1.00

1.00

 Female

603/11,185 (5.4)

2568/11,158 (23.0)

1.03

0.92, 1.17

0.573

1.10

1.03, 1.17

0.004

Season

 Early dry

914/5254 (17.4)

1478/5254 (28.1)

1.00

1.00

 Late dry

946/4168 (22.7)

1135/4168 (27.2)

1.39

1.26, 1.54

< 0.001

0.96

0.87, 1.05

0.333

 Early rainy

926/5364 (17.3)

1509/5364 (28.1)

0.99

0.90, 1.10

0.856

1.00

0.92, 1.09

0.999

 Late rainy

912/5474 (16.7)

1611/5474 (29.4)

0.95

0.86, 1.05

0.311

1.07

0.98, 1.16

0.137

Province

 Lusaka

365/5394 (6.8)

822/5394 (15.2)

1.00

1.00

 Central

94/2288 (4.1)

688/2288 (30.1)

0.59

0.47, 0.74

< 0.001

2.39

2.13, 2.69

< 0.001

 Copperbelt

294/4778 (6.2)

1648/4778 (34.5)

0.90

0.77, 1.06

0.210

2.93

2.66, 3.22

< 0.001

 Eastern

59/2072 (2.8)

431/2072 (20.8)

0.40

0.31, 0.53

< 0.001

1.46

1.28, 1.66

< 0.001

 Luapula

56/1341 (4.2)

547/1341 (40.8)

0.60

0.45, 0.80

0.001

3.83

3.36, 4.37

< 0.001

 Northern

57/983 (5.8)

350/983 (35.6)

0.85

0.64, 1.13

0.262

3.08

2.65, 3.57

< 0.001

 North-Western

25/883 (2.8)

244/883 (27.6)

0.40

0.27, 0.61

< 0.001

2.12

1.80, 2.50

< 0.001

 Southern

394/3366 (11.7)

718/3366 (21.3)

1.83

1.57, 2.12

< 0.001

1.51

1.35, 1.69

< 0.001

Western

24/1577 (1.5)

285/1577 (18.1)

0.21

0.14, 0.32

< 0.001

1.27

1.06, 1.42

0.007

Year of birth

 2006

220/1709 (12.9)

340/1709 (19.9)

1.00

1.00

 2007

412/2619 (15.7)

547/2619 (20.9)

1.26

1.06, 1.51

0.009

1.06

0.91, 1.24

0.430

 2008

528/3475 (15.2)

790/3475 (22.7)

1.21

1.02, 1.44

0.025

1.18

1.03, 1.37

0.020

 2009

683/3678 (18.6)

861/3678 (23.4)

1.54

1.31, 1.82

< 0.001

1.23

1.07, 1.42

0.004

 2010

675/2718 (24.8)

726/2718 (26.7)

2.24

1.89, 2.65

< 0.001

1.47

1.27, 1.70

< 0.001

 2011

446/1812 (24.6)

612/1812 (33.8)

2.21

1.85, 2.64

< 0.001

2.05

1.76, 2.40

< 0.001

 2012

191/1384 (13.8)

564/1384 (40.8)

1.08

0.88, 1.33

0.450

2.77

2.35, 3.26

< 0.001

 2013

186/1352 (13.8)

605/1352 (44.7)

1.08

0.88, 1.33

0.474

3.26

2.76, 3.85

< 0.001

 2014

171/1019 (16.8)

548/1019 (53.8)

1.36

1.10, 1.70

0.005

4.68

3.90, 5.62

< 0.001

 2015

137/386 (35.5)

140/386 (36.3)

3.72

2.87, 4.83

< 0.001

2.29

1.80, 2.92

< 0.001

 2016

49/108 (45.4)

0/108 (0.0)

5.62

3.71, 8.51

< 0.001