. 2021 May 11;4(5):e219050. doi: 10.1001/jamanetworkopen.2021.9050

Table. Adjusted Odds of Statin Prescribing by Primary Care Appointment Time.

Primary care appointment time	Adjusted OR (95% CI)^a	P value
Morning
8 am	1 [Reference]	NA
9 am	0.88 (0.76-1.02)	.10
10 am	0.85 (0.73-0.99)	.04
11 am	0.80 (0.67-0.94)	.008
Afternoon
12 pm	0.63 (0.49-0.83)	.001
1 pm	0.73 (0.62-0.87)	<.001
2 pm	0.70 (0.59-0.82)	<.001
3 pm	0.69 (0.57-0.82)	<.001
4 pm	0.71 (0.56-0.89)	.003
Afternoon vs morning^b	0.79 (0.73-0.87)	<.001
Overall time trend^c	0.95 (0.94-0.97)	<.001

Abbreviations: NA, not applicable; OR, odds ratio.

^{^a}

Adjusted ORs represent the relative odds of statin prescribing for each hour after 8 am (reference group). Appointment times were grouped by the start of the hour (eg, 8:15 am and 8:30 am were placed in the 8 am group).

^{^b}

Afternoon vs morning uses an adjusted model with a dichotomous variable for appointment time with 0 for appointments 8:00 am to 11:59 am (reference group) and 1 for appointments 12:00 pm to 4:59 pm.

^{^c}

Overall time trend uses an adjusted model with a continuous variable for appointment time with 1 equal to 8 am and 9 equal to 4 pm. The adjusted ORs represent the relative odds of statin prescribing for each incremental 1-hour period. For example, an adjusted OR of 0.95 can be interpreted as 5% lower odds per hour for each hour after 8 am.