Table 3.

Difference between intervention and controls for the postintervention cross-sectional mean number of drugs administered/person for individual drug categories.

	Analysis Mean number of drugs administered/person
Drug category	Intervention	Control	Intervention-Control (95%CI)⋆	P value⋆	P value#
Antacids	0.03	0.04	−0.01 (−0.05–0.03)	0.80	0.56
H2 antagonists	0.15	0.15	0.00 (−0.04–0.04)	0.97	0.90
Laxatives	0.33	0.71	−0.37 (−0.57—0.17)	0.002	< 0.0001
Digoxin	0.17	0.18	−0.01 (−0.07–0.05)	0.73	0.73
Diuretics	0.30	0.28	0.02 (−0.04–0.07)	0.49	0.45
Antibacterials	0.10	0.12	−0.02 (−0.08–0.04)	0.57	0.52
NSAIDs	0.04	0.07	−0.03 (−0.07–0.03)	0.099	0.013
Paracetamol	0.39	0.33	0.06 (−0.04–0.16)	0.29	0.021
Psycholeptics	0.59	0.73	−0.14 (−0.28–0.0)	0.044	0.012
Benzodiazepines†	0.20	0.26	−0.06 (−0.16–0.04)	0.29	0.026

^†ATC category for benzodiazepine hypnotics.

^⋆adjusted for nursing home clustering.

^#unadjusted for nursing home clustering.