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Table 2 Demographic characteristics at study entry by study group

From: Baseline incidence of meningitis, malaria, mortality and other health outcomes in infants and young sub-Saharan African children prior to the introduction of the RTS,S/AS01E malaria vaccine

 

6 to 12 weeks age-group (N = 7248)

5 to 17 months age-group (N = 7081)

Overall (N = 14,329)

Age at informed consent (months)

 Mean ± SD

1.7 ± 0.3

7.7 ± 5.1

4.7 ± 4.7

 Range

0.4–3.0

0.4–18.0

0.4–18.0

Gender, n (%)

 Female

3585 (49.5)

3484 (49.2)

7069 (49.3)

 Male

3663 (50.5)

3597 (50.8)

7260 (50.7)

Neighbourhood of residence, n (%)

 Urban

1320 (18.2)

920 (13.0)

2240 (15.6)

 Semi-rural

1225 (16.9)

1119 (15.8)

2344 (16.4)

 Rural

4703 (64.9)

5042 (71.2)

9745 (68.0)

Distance to health care facility, n (%)

 < 5 km

6588 (90.9)

6370 (90.0)

12,958 (90.4)

 5– < 10 km

543 (7.5)

496 (7.0)

1039 (7.3)

 10– < 20 km

84 (1.2)

149 (2.1)

233 (1.6)

 20– < 30 km

17 (0.2)

42 (0.6)

59 (0.4)

 > 30 km

16 (0.2)

24 (0.3)

40 (0.3)

Closest health care facility, n (%)

 Primary health care facility

5135 (70.9)

5165 (72.9)

10,300 (71.9)

 Hospital

2113 (29.2)

1916 (27.1)

4029 (28.1)

  1. According-to-protocol cohort
  2. N, total number of study participants by study site; n, number of study participants in each category; SD: standard deviation