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. Author manuscript; available in PMC: 2019 Aug 1.
Published in final edited form as: Int J Gynaecol Obstet. 2018 Apr 23;142(2):207–213. doi: 10.1002/ijgo.12508

Table 4.

Bivariate and multivariate analysis of relationships between baseline characteristics and low delivery weight in term neonates by patients with HIV (n=102).

Risk factor Bivariate analysis Multivariate analysis

OR (95% CI) P value aOR (95% CI) P value
Age, y 0.111
 <35 (n=49) 1.68 (0.79–11.24) NA
 ≥35 (n=53) 1.00 (ref.) NA
Parity 0.075
 Nulliparous (n=44) 3.34 (1.53–17.26) NA
 Multiparous (n=58) 1.00 (ref.) NA
Occupation 0.332
Professional (n=43) 0.88 (0.45–9.68) NA
Nonprofessional (n=59) 1.00 (ref.) NA
Education 0.096
≥High school (n=94) 2.36 (1.12–7.55) NA
<High school (n=8) 1.00 (ref.) NA
BMI 0.002 0.038
≤24.9 (n=41) 11.51 (2.18–22.45) 6.42 (3.33–9.11)
≥25.0 (n=61) 1.00 (ref.) 1.00 (ref.)
Duration of HIV diagnosis, mo 0.042 0.099
>12 (n=83) 3.71 (2.14–9.79) 1.11 (0.78–11.43)
≤12 (n=19) 1.00 (ref.) 1.00 (ref.)
ART duration, mo 0.016 0.004
<10 (n=7) 10.07 (4.24–17.83) 7.23 (6.21–12.12)
≥10 (n=95) 1.00 (ref.) 1.00 (ref.)
CD4+ count, cells/mm3 0.037 0.016
<350 (n=48) 7.15 (3.33–21.18) 4.11 (2.29–7.08)
≥350 (n=54) 1.00 (ref.) 1.00 (ref.)
Viral load, copies/mL 0.039 0.001
≥1000 (n=28) 13.11 (3.22–19.47) 9.35 (2.22–13.76)
<1000 (n=74) 1.00 (ref.) 1.00 (ref.)
Selenium level 0.009 0.012
Low (n=17) 14.04 (10.12–25.92) 8.11 (3.27–17.22)
Normal (n=85) 1.00 (ref.) 1.00 (ref.)

Abbreviations: OR, crude odds ratio; CI, confidence interval; aOR, adjusted odds ratio; BMI, body mass index (calculated as weight in kilograms divided by the square of height in meters); ART, antiretroviral treatment.