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

Table 5 Comparison of patient knowledge and overall knowledge scores between intervention and control arms

Knowledge Item	Beginning of study				End of study
Knowledge Item	Intervention arm n = 100 Correct	Control arm n = 100 Correct			Intervention arm n = 89	Control arm n = 93
Knowledge of isoniazid function	42 (42%)	63 (63%)	7.88	0.02^a	82 (92.1)	65 (69.9)	14.49	< 0.001^a
Knowledge of IPT service availability	41 (41%)	56 (56%)	4.50	0.03^a	85 (95.5)	58 (62.4)	29.67	< 0.001^a
Knowledge of drug name for IPT	8 (8%)	14 (14%)	1.84	0.18	29 (32.6)	21 (22.6)	2.29	0.13
Knowledge of duration of treatment	33 (33%)	51 (51%)	6.65	0.02^a	76 (85.4)	49 (52.7)	22.62	< 0.001^a
Knowledge of who should receive IPT	21 (21%)	29 (29%)	3.08	0.21	73 (82.0)	36 (38.7)	35.52	< 0.001^a
Overall Knowledge score
Good	32 (32.0)	53 (53.0)	4.71	0.03^a	79 (88.8)	51 (54.8)	25.65	< 0.001^a
Poor	68 (68.0)	47 (47.0)			10 (11.2)	42 (45.2)

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