Table 4

Medication non-adherence according to treatment patterns

VariablesAdherent (n=759)Non-adherent (n=287)OR (95% CI)p Value
Treatment types
 PGA monotherapy* (ref.)352 (77.4)103 (22.6)10.005
 Non-PGA monotherapy56 (63.6)32 (36.4)1.953 (1.200 to 3.177)
 Any combination therapy†351 (69.8)152 (30.2)1.480 (1.107 to 1.979)
 Prescribed daily number of instillation†1.82±1.04
2 (1, 2)
2.22±1.38
2 (1, 3)
1.321 (1.182 to 1.477)<0.001
 Number of eye-drops†1.2±0.5
1 (1, 1)
1.4±0.7
1 (1, 2)
1.603 (1.287 to 1.995)<0.001
Helper/assistant
 Yes136 (75.6)44 (24.4)10.329
 No622 (72.0)424 (28.0)1.203 (0.830 to 1.743)
  • Data were presented as n (%).

  • *Only one drug class in use.

  • †More than two drug classes in use.

  • ‡Mean±SD, median (first quartile, third quartile), Mann-Whitney U test.

  • PGA, prostaglandin.