Table 4.

Comparison of the non-adherence rates at different time points in each group

Group	1	2	3	4	5	6	7	8	9
Adherence group (n = 276)	14	35	44	52	59	67	74	79	82
Control group (n = 176)	33*	64*	94*	119*	133*	143*	149*	155*	159*
Intervention group (n = 203)	37*	72*	81*Δ	88*Δ	94*Δ	99*Δ	102*Δ	105*Δ	108*Δ
x2	25.662	38.637	64.190	97.270	114.301	125.300	128.161	130.837	138.317
P	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001

Note: * Compared with the adherence group, P < 0.05; Δ compared with the control group, P < 0.05