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Table 2 Baseline factors associated with ‘MV frequency’

From: Factors associated with non-attendance at scheduled infant follow-up visits in an observational cohort of HIV-exposed infants in South Africa, 2012–2014

Determinant Exposed at Baseline (N) MV frequency ≥ 1 n (weighted %) Adjusted IRR 95% CI p-value
ALL -> 2650 1548 (58.8)    
Caregiver
 Mother 2607 1514 (58.4) ref   
 Other 43 34 (75.2) 0.8 0.6–1.2 0.251
Mother’s agea      0.01
 13–24 years 681 447 (66.1) ref   
 25–34 years 1480 848 (56.8) 0.9 0.8–1.0 0.01
 35–50 years 482 248 (53.5) 0.8 0.7–1.0 0.012
Disclosure of mother’s HIV status      0.128
 Yes 2087 1144 (54.5) ref   
 No 455 305 (66.7) 1.1 1.0–1.3 0.057
 Unknown 108 99 (89.6) 0.8 0.4–1.7 0.596
Mother on ART by 6 weeks      0.0003
 Yes 1445 769 (53.1) ref   
 No 1083 668 (61.1) 1.2 1.1–1.4 < 0.0001
 Unknown 122 111 (89.2) 1.8 0.9–3.5 0.083
Infant on NVP by 6 weeks      0.025
 Yes 2329 1331 (56.4) ref   
 No 114 68 (62.2) 1.2 1.0–1.4 0.118
 Unknown 207 159 (77.7) 1.4 1.1–1.8 0.02
Travel      0.012
 Own car 99 70 (72.3) ref   
 Walked < 30 min 1182 674 (58.6) 0.7 0.6–0.9 0.002
 Walked > 30 min 283 173 (59.1) 0.8 0.6–1.0 0.068
 Public transport < 30 min 872 498 (56.8) 0.7 0.6–0.9 0.004
 Public transport > 30 min 214 133 (61.5) 0.9 0.7–1.1 0.231
Province      < 0.0001
 WC 246 134 (56.7) ref   
 NW 221 112 (51.1) 1.2 0.9–1.5 0.305
 NC 84 38 (46.3) 0.6 0.4–0.9 0.006
 MP 315 193 (62.3) 1.3 1.0–1.7 0.025
 LP 266 199 (73.8) 1.9 1.4–2.4 < 0.0001
 KZN 442 226 (51.8) 1.3 1.0–1.6 0.103
 GP 524 327 (63.7) 1.7 1.3–2.2 < 0.0001
 FS 275 171 (62.4) 1.6 1.3–2.1 < 0.0001
 EC 277 148 (55.1) 1.2 0.9–1.6 0.333
  1. MV- missed visits at exposed postnatal care visits. IRR- incidence rate ratio. Significant p-values for the incidence rate ratio are in bold face
  2. avariable has missing data of< 5%. All proportions were adjusted for survey sampling weights (W %). South African provinces- WC-Western Cape, NW-North West, NC-Northen Cape, MP-Mpumalanga, LP-Limpopo, KZN-KwaZulu Natal, GP-Gauteng, FS-Free State, EC-Eastern Cape