A randomised controlled trial to investigate effects of enhanced supervision on primary eye care services at health centres in Kenya, Malawi and Tanzania

Table 3 Change in scores pre/post intervention

		Tanzania (n=28 non-intervention, 29 intervention)		Kenya (n=20 non-intervention, 20 intervention)		Malawi (n=18 non-intervention, 20 intervention)		All countries
	Group	Mean (SD)	P value	Mean (SD)	P value	Mean (SD)	P value	Mean (SD)	P value*
Cataract	Non-intervention	0.44 (0.88)	0.06	-1.56(0.93)	0.52	-1.1(0.92)	0.01	0.11 (0.96)	0.58
	Intervention	-0.13 (0.83)		0.02(0.65)		0.55(0.31)		0.16 (0.73)
Presbyopia	Non-intervention	0.56(0.74)	0.39	0.17(1.13)	0.01	0.21(0.58)	0.48	0.34 (0.85)	0.21
	Intervention	0.33 (0.81)		01.13(0.76)		0.39(0.49)		0.58 (0.79)
Trauma	Non-intervention	-.19 (0.7)	0.28	-.08(0.68)	0.23	-.5(0.8)	0.41	-0.24 (.73)	0.11
	Intervention	-.03 (0.53)		0.16(0.33)		-.33(0.66)		-0.62 (.55)
Conjunctivitis	Non-intervention	0.32 (0.98)	0.36	-.14(0.5)	0.15	0.14(0.66)	0.065	0.13 (0.80)	0.243
	Intervention	0.11(0.85)		0.24(0.6)		0.52(0.48)		0.26 (0.71)
Visual acuity	Non-intervention	-0.27 (1.3)	0.01	0.5(1.7)	0.04	0.19(1.2)	0.83	0.09 (1.44)	<0.001
	Intervention	0.8(1.69)		1.52(1.24)		0.41(0.6)		0.90 (1.37)
Total	Non-intervention	0.85(2.5)	0.62	0.28(1.7)	<0.001	-0.7(2.5)	0.028	0.42 (2.6)
	Intervention	1.2(2.8)		3.0(1.54)		1.53(1.62)		1.84 (2.3)	0.0011

ISSN: 1472-6963