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. 2011 Jun 17;6(6):e20875. doi: 10.1371/journal.pone.0020875

Table 1. Change in knowledge before and after reading the TB and control leaflet.

Tuberculosis leaflet (N = 57) Mental Health leaflet (N = 27)
%correct before %correct after %change in correct (95%CI), p value* %correct before %correct after %change in correct (95%CI), p value*
Knowledge of symptoms of TB
Itchiness 100(57/57) 98(56/57) −2 (−7 to 3), 1.00 81(22/27) 81(22/27) 0 (−14 to 14), 1.00
Persistent fever 56(32/57) 87(50/57) 31 (15 to 47), 0.0002 52(14/27) 52(14/27) 0 (−18 to 18), 1.00
Night sweating 53(30/57) 89(51/57) 36 (21 to 52), <0.0001 44(12/27) 48(13/27) 4 (−7 to 14), 1.00
Unusual tiredness 65(37/57) 82(47/57) 16 (−1 to 34), 0.08 52(14/27) 44(12/27) −7(−21 to 6), 0.50
Stomach cramping 96(55/57) 93(53/57) −4 (−12 to 5), 0.62 85(23/27) 90(24/27) 4 (−12 to 20), 1.00
Weight loss 58(33/57) 93(53/57) 34 (17to 52), 0.0002 67(18/27) 63(17/27) −3 (−14 to 7.1), 1.00
Cough for long 73(42/57) 82(47/57) 9 (−7 to 25), 0.33 74(20/27) 74(20/27) 0 (−14 to 14), 1.00
Coughing up blood 78(44/57) 98(56/57) 20 (8 to 32), 0.001 85(23/27) 89(24/27) 4 (−7 to 14), 1.00
Bone fracture 96(54/57) 96(55/57) 0 (− 9 to 9), 1.00 96(26/27) 96(26/27) 0 (−3 to 3), 1.00
Understanding the need for referral
Do nothing 92(52/57) 98(56/57) 5 (−2 to 13), 0.25 96(26/27) 100(27/27) 4 (−7 to 14), 1.00
Specialist services / GP 89(51/57) 87(50/57) −2 (−11 to 8), 1.00 89(24/27) 89(24/27) 0 (−18 to 18), 1.00
Transfer to another hostel 100(57/57) 98(56/57) −2 (−7 to 3), 1.00 93(25/27) 100(27/27) 7 (−6 to 21), 0.50
Contact Public Health Lab 60(34/57) 74(42/57) 14 (−2 to 31), 0.10 74(20/27) 74(20/27) 0 (−14 to 14), 1.00
Knowledge of treatment issues
TB curable 81(46/57) 100(57/57) 18 (6 to 30), 0.002 67(18/27) 70(19/27) 4 (−12 to 20), 1.00
Client responsible medication 27(15/57) 44(25/57) 16 (−1 to 33), 0.08 22(6/27) 26(6/27) 4 (−12 to 20), 1.00
Length of treatment 42(24/57) 73(42/57) 31 (14 to 47), 0.005 33(9/27) 41(11/27) 7 (−6 to 21), 0.50
Monitoring progress 42(24/57) 47(27/57) 5 (−11 to 22), 0.63 44(12/27) 44(12/27) 0 (−4 to 4), 1.00
Interaction medications 85(49/57) 93(53/57) 7 (−3 to 18), 0.22 89(24/27) 85(23/27) −3 (−20 to 12), 1.00
Medication Charges 100(57/57) 98(56/57) −2 (−7 to 3), 1.00 96(26/27) 100(27/27) 4 (−7 to 14), 1.00
Understanding the need to provide support and general awareness
Infectious form of TB 85(49/57) 96(55/57) 11 (−2 to 24), 0.11 93(25/27) 96(26/27) 4(−7 to 14), 1.00
Meaning of DOT 9(5/57) 36(21/57) 27 (12 to 43), 0.0007 0(0/27) 7(2/27) 7 (− 6 to 21), 1.00
Support DOT 18(10/57) 62(35/57) 44 (29 to 59), <0.0001 4(1/27) 0(0/27) −4 (−14 to 7), 1.00
Client's background 64(36/57) 71(40/57) 7 (−8 to 22), 0.42 81(22/27) 89(24/27) 7 (−6 to 21), 0.50
Colleagues − risk of TB 54(31/57) 69(39/57) 14 (−3 to 32), 0.11 56(15/27) 63(17/27) 7 (−14 to 29), 0.68
Sharing items 73(42/57) 87(50/57) 14 (2 to 27), 0.02 70(19/27) 70(19/27) 0 (−18 to 18), 1.00

*McNemar's p value, CI – confidence interval, TB – Tuberculosis, DOT – directly observed therapy, GP – general practitioner.