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Table 2 Context and comparability of intervention and comparison groups, 2007 survey

From: Cluster-randomized study of intermittent preventive treatment for malaria in infants (IPTi) in southern Tanzania: evaluation of impact on survival

  

Intervention divisions

n/N (%)

Comparison divisions

n/N (%)

P*

Household head present

 

103,816/110,843 (94%)

123,973/132,769 (94%)

0.28

Household head agreed to participate

 

103,062/103,816 (99%)

122,918/123,973 (99%)

0.68

Ethnic group of household head

Makonde

47,451 (46%)

76,644 (62%)

0.15 (Makonde vs others)

 

Mwera

43,540 (42%)

26,844 (22%)

 
 

Makuwa

2,932 (3%)

8,278 (7%)

 
 

Yao

3,438 (3%)

4,922 (4%)

 
 

Other

5,701 (6%)

6,230 (5%)

 

Socio-economic status quintiles

Poorest

20,893 (21%)

21,853 (19%)

0.39 (t-test on means)

 

Very poor

17,542 (18%)

20,698 (18%)

 
 

Poor

21,923 (22%)

24,852 (21%)

 
 

Less poor

19,492 (20%)

23,816 (20%)

 
 

Least poor

17,658 (18%)

25,428 (22%)

 

Lives over 5 km from health facility(23% missing in implementation divisions & 28% missing in comparison divisions)

 

23,882/85,276 (28%)

21,563/95,742 (23%)

0.19

Net ownership

 

67,228 (65%)

79,705 (65%)

0.81

Total population

 

375,399

443,184

0.56

Maternal education (≥ 1 y vs none)

 

66,233/88,747 (75%)

83,005/106,703 (78%)

0.88

Number (%) of women interviewed for birth history

 

88,215/97,076 (91%)

105,652/116,157 (91%)

0.54

Used treated net in pregnancy (treated in last 12 months) (for births in last year only)

 

4,814/10,270 (47%)

5,824/11,980 (49%)

0.35

ANC attendance (for births in last year)

 

10,164/10,266 (99%)

11,894/11,977 (99%)

0.10

Age at interview (for births in last year)

13-19 years

20,068 (23%)

24,993 (23%)

0.79 (t-test on means)

 

20-29 years

27,662 (31%)

33,463 (31%)

 
 

30-39 years

24,252 (27%)

28,919 (27%)

 
 

40-49 years

17,187 (19%)

19,786 (18%)

 

Born at home (for births in past year)

 

5,883/10,267 (57%)

6,741/11,975 (56%)

0.36

From Coverage and Malaria substudy:

   

Child aged 0-5 m is exclusively breastfed

13/223 (6%)

29/271 (11%)

0.19

Child 0-23 m sleeps under a mosquito net

697/1,311 (53%)

988/1,653 (60%)

0.38

Child 0-23 m sleeps under treated mosquito net

329/1,307 (25%)

520/1,646 (32%)

0.13

Sought care for sick baby from 'western' provider

234/634 (37%)

342/798 (43%)

0.04

  1. # P-values are from t-test to compare mean proportions in 12 intervention & 12 comparison divisions unless marked otherwise