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Table 5 Prevalence of anaemia and malnutrition during the 1st and 3rd cross-sectional surveys

From: The effect of insecticide-treated bed nets on the incidence and prevalence of malaria in children in an area of unstable seasonal transmission in western Myanmar

Malnutrition (Wt/Ht < −2Z1)

 

ITN clusters

NN clusters

1st prevalence

3rd prevalence

Change

1st prevalence

3rd prevalence

Change

Relative change

Pair 1

87/692 (13)

67/651 (10)

−2.3%

98/728 (13)

76/701 (11)

−2.6%

−0.3%

Pair 2

61/516 (12)

58/506 (11)

−0.4%

86/651 (13)

102/634 (16)

+2.9%

3.3%

Pair 3

72/435 (17)

71/413 (17)

+0.6%

51/277 (18)

43/266 (16)

−2.5%

−3.1%

Pair 4

62/210 (30)

28/201 (14)

−15.6%

38/169 (22)

32/167 (19)

−3.3%

12.3%

Pair 5

17/64 (27)

6/61 (10)

−16.7%

11/71 (15)

6/70 (9)

−6.9%

9.8%

Pair 6

8/77 (10)

2/65 (3)

−7.3%

3/42 (7)

5/42 (12)

+4.8%

12.1%

Pair 7

105/735 (14)

92/701 (13)

−1.2%

158/780 (20)

92/760 (12)

−8.2%

−7.0%

Pair 8

60/486 (12)

56/450 (12)

+0.01%

67/585 (11)

81/572 (14)

+2.7%

2.7%

Pair 9

87/652 (13)

55/620 (9)

−4.5%

64/627 (10)

78/612 (13)

+2.5%

7.0%

Pair 10

39/148 (26)

8/140 (6)

−20.6%

10/104 (10)

7/100 (7)

−2.6%

18.0%

Total

598/4015 (15)

443/3808 (12)

586/4034 (15)

586/4034 (15)

522/3924 (13)

−1.2%

2.1%

Anaemia (Hb <10 g/dL)

 

ITN clusters

NN clusters

 

1st prevalence

3rd prevalence

Change

1st prevalence

3rd prevalence

Change

Relative change

Pair 1

362/695 (52)

299/659 (45)

−6.7%

440/739 (60)

413/708 (58)

−1.2%

5.5%

Pair 2

303/527 (57)

235/508 (46)

−11.2%

332/662 (50)

305/644 (47)

−2.8%

8.4%

Pair 3

228/441 (52)

182/413 (44)

−7.6%

152/285 (53)

125/268 (47)

−6.7%

0.9%

Pair 4

133/213 (62)

88/203 (43)

−19.1%

110/176 (63)

59/169 (35)

−27.6%

- 8.5%

Pair 5

46/67 (69)

22/62 (35)

−33.2%

29/72 (40)

33/71 (46)

+6.2%

39.4%

Pair 6

76/77 (99)

52/65 (80)

−18.7%

42/44 (95)

40/43 (93)

−2.4%

16.3%

Pair 7

485/745 (65)

602/716 (84)

+19.0%

657/792 (83)

558/761 (73)

−9.6%

−28.6%

Pair 8

355/489 (73)

307/461 (67)

−6.0%

532/597 (89)

473/579 (82)

−7.4%

−1.4%

Pair 9

579/664 (87)

443/627 (71)

−16.5%

540/632 (85)

446/619 (72)

−13.4%

3.1%

Pair 10

142/148 (96)

108/143 (76)

−20.4%

104/108 (96)

95/103 (92)

−4.1%

16.3%

Total

2709/4066 (67)

2338/3857 (61)

−6.0%

2938/4107 (72)

2547/3965 (64)

−7.3%

−1.3%

  1. 1 Weighted paired t test 3rd prevalence Wt/Ht - 2 Z score, p-value = 0.094. Relative change = (Prev 3 - Prev 1) NN cluster - (Prev 3 - Prev 1) ITN cluster. ITN: insecticide treated nets, NN: no nets.