Bulletin of the World Health Organization

Effect of vitamin A supplementation on cause-specific mortality in women of reproductive age in Ghana: a secondary analysis from the ObaapaVitA trial

Lisa Hurt, Augustinus ten Asbroek, Seeba Amenga-Etego, Charles Zandoh, Samuel Danso, Karen Edmond, Chris Hurt, Charlotte Tawiah, Zelee Hill, Justin Fenty, Seth Owusu-Agyei, Oona M Campbell & Betty R Kirkwood

Volume 91, Number 1, January 2013, 19-27

Table 2. Vitamin A supplementation and mortality among women caused by specific infections or anaemia, Ghana, 2000–2008

Cause No. of deaths
RR (95% CI)a
Placebo arm Vitamin A arm
Infection
Malaria 21 24 1.13 (0.63–2.03)
Tuberculosis 51 63 1.22 (0.84–1.78)
Other respiratory infection 14 18 1.27 (0.63–2.57)
HIV/AIDS 258 276 1.06 (0.88–1.26)
Intestinal infection 59 48 0.80 (0.54–1.19)
Meningitis 45 38 0.84 (0.54–1.29)
Other infectionb 64 73 1·13 (0·81–1·58)
Anaemia
Haemolytic 15 25 1.65 (0.87–3.13)
Other 29 36 1.23 (0.76–1.99)

CI, confidence interval; HIV/AIDS, human immunodeficiency virus/acquired immunodeficiency syndrome; RR, rate ratio.

a Calculated, as the mortality rate in the vitamin A arm divided by that in the placebo arm, after adjusting for clustering by use of random-effects models. The data come from an intention-to-treat analysis.

b Includes hepatitis, abscess, cellulitis, rabies, tetanus, chicken pox, and septicaemia/infection of unknown etiology.