Table 6.

Means of the percentages of services delivered to clients by care plan group and audit period

Care plan group	Baseline	6 months	1 year	2 years	3 years a	3 years b	β* (95% CI)	P for trend
	Means % (95%CI)
0–3 years	44 (37–51)	53 (45–61)	65 (56–74)	70 (58–82)	69 (61–78)	n/a	9.07 (5.64, 12.49)	0.001
4–15 years	49 (39–59)	33 (24–42)	56 (46–66)	62 (52–72)	53 (45–61)	63 (47–78)	5.21 (0.92, 9.50)	0.017
16–49 years	40 (34–46)	43 (37–49)	53 (47–60)	49 (43–56)	39 (33–44)	40 (32–47)	0.70 (-1.37,2.77)	0.508
50+ years	40 (34–47)	43 (36–50)	54 (46–61)	56 (48–63)	47 (40–54)	44 (34–54)	2.44 (0.11, 4.77)	0.040

a Based on supplemented random sample (includes original panel); b Based on remaining clients of original panel sample; * β (coefficient) represents the average change in percentage of delivered services to each client with the increase of one unit of time (1 year), adjusted for the recent attendance at health centres using two-level linear random-effects model.