Table 6 Association of socio-demographic characteristics with sub-microscopic P. falciparum infection detected by PCR

Overall

373

53.4 (199)

–

159

69.2 (110)

–

Seasons

 Rainy

180

48.3 (87)

0.8 (0.–1.0)

0.063

59

79.7 (47)

1.3 (1.–1.5)

0.020

 Dry

193

58.0 (112)

100

63.0 (63)

Gender

 Female

220

50.9 (112)

1.1 (0.–1.3)

0.252

97

71.1 (69)

0.9 (0.–1.2)

0.513

 Male

153

56.9 (87)

62

66.1 (41)

Age group (years)

 1–4

38

47.4 (18)

1.1 (0.7–1.6)

0.763

15

46.7 (7)

Reference group

–

 5–9

81

44.4 (36)

Reference group

–

26

76.9 (20)

1.6 (0.–2.9)

0.092

 10–14

41

56.1 (23)

1.3 (0.–1.8)

0.210

28

67.9 (19)

1.5 (0.–2.6)

0.220

 15–19

31

64.5 (20)

1.5 (1.–2.1)

0.041

13

76.9 (10)

1.6 (0.–3.1)

0.113

 ≥ 20

182

56.0 (102)

1.3 (1.–1.7)

0.099

77

68.8 (53)

1.5 (0.–2.6)

0.175

Fever

 Yes (≥ 37.5 °C)

17

52.9 (9)

1.0 (0.–1.6)

0.972

3

(1)

0.5 (0.–2.4)

0.366

 No (< 37.5 °C)

356

53.4 (190)

156

(109)

Bed net use

 Yes

364

(194)

1.0 (0.–1.7)

0.891

155

68.4 (106)

1.5 (1.–1.6)

 < 0.0001

 No

9

(5)

4

100 (4)