. 2013 Sep 17;1:e168. doi: 10.7717/peerj.168

Table 1. Incident use in community-dwelling older adults (65+).

Medications	SGAs	FGAs	BZDs/ZOP, ZAL	BZDs/ZOP, ZAL + SGA
Users/1,000 Year 1998	0.21	1.88	13.14	0.06
Users/1,000 Year 2009	1.63	1.03	13.66	0.15
Change in rate per quarter	1.02^*	0.98^*	1.00 NS	1.01^*
Age effect 65–84 vs. 85+	0.44^*	0.85^*	1.08^*	0.60^*
SES effect low vs. high	1.10^*	1.14^*	1.00 NS	1.09 NS
Region effect rural vs. urban	0.88^*	1.51^*	1.01 NS	1.02 NS
Sex effect male vs. female	0.91^*	0.86^*	0.73^*	1.17^*

Notes.

Results for change in quarterly rate, age, SES, region and sex effects are presented as relative rates (adjusted for age, SES, region, sex and time).

Indicates a statistically significant effect (p < 0.05).