Table 4.

Mean percentage and Standard Error (SE) of ART restorations to total restorations in 13 dental clinics by region, clinic location and period of study

	Period of study period
	Baseline	1st follow-up	2nd follow-up
	Mean (SE)	Mean (SE)	Mean (SE)
Region
Dar es Salaam	33.2 (6.9) a	53.5 (4.7) b	76.2 (5.4) c
Morogoro	0.0 d	83.8 (2.7) e	92.3 (2.7) f
Tanga	1.6 (1.6) g	76.9 (3.4) h	90.8 (2.2) i
Total	8.4 (2.2)	75.3 (2.2)	88.9 (1.8)
Clinic location
Rural	0.0j	81.9 (2.2)k	91.1 (2.0)l
Urban	21.2 (5.0) m	64.3 (4.3) n	85.2 (3.2) o
Total	8.4 (2.2)	75.3 (2.2)	88.9 (1.8)

ANOVA mixed model ^kl P = 0.03;^{mn, ab, bc,} P < 0.01; ^{ac, de, df, gh, gi, jk, jl, mn, mo, no} P < 0.0001