Skip to main content

Table 2 Comparison of intervention and control arms based on knowledge questions answered by health workers at the beginning and end of study

From: Effect of mobile-phone messaging on patient and health-worker knowledge and adherence to the isoniazid preventive therapy guideline in HIV clinics in Southeast, Nigeria

Knowledge question

Beginning of study

End of study

Intervention arm

Control arm

χ2

p value

Intervention arm

Control arm

χ2

p value

N = 44

n (%)

N = 41

n (%)

N = 41

n (%)

N = 35

n (%)

IPT reduces the risk of TB infection for HIV positive patients

42 (95.5)

39 (95.1)

FT

1.0

41 (100.0)

33 (94.3)

FT

0.21

Patients with active TB should not be given IPT

33 (75.0)

34 (82.9)

0.80

0.37

41 (100.0)

28 (80.0)

FT

0.003a

Knowledge of TB symptoms

37 (84.1)

39 (95.1)

FT

0.2

37 (90.2)

31 (88.6)

FT

1.0

Is chest radiography a requirement for screening

26 (59.1)

10 (24.4)

10.47

0.001a

26 (63.4)

6 (17.1)

16.58

 < 0.001a

Knowledge about eligibility for IPT

15 (34.1)

3 (7.3)

9.11

0.003a

29 (70.7)

1 (2.9)

36.41

 < 0.001a

Is current pregnancy a contraindication for starting IPT

31 (70.5)

32 (78.0)

0.64

0.42

36 (87.8)

29 (82.9)

0.37

0.54

IPT as secondary prophylaxis for people with past history of TB

24 (54.5)

35 (85.4)

9.50

0.002a

33 (80.5)

30 (85.7)

036

0.55

Best TB preventive treatment drug

40 (90.9)

37 (90.2)

FT

1.0

41 (100.0)

30 (85.7)

FT

0.02

Isoniazid drug dose

35 (79.5)

34 (82.9)

0.16

0.79

41 (100.0)

34 (97.1)

FT

0.46

Overall Knowledge score

 Good

24 (54.5)

26 (63.4)

0.69

0.40

37 (90.2)

18 (51.4)

14.22

 < 0.001a

 Poor

20 (45.5)

15 (36.6)

  

4 (9.8)

17 (48.6)

  
  1. aStatistical significance FT-Fisher exact