Table 1 Crude injury rates per person‐year for adults in the Keokuk County Rural Health Study by demographic variables and by depressive symptoms.

Variables	Person‐years	Injury frequency	Injury rate	p Value
Depressive symptoms
Yes	795.1	112	14.1	0.0003
No	4006.6	359	9.0
On medication for depression
Yes	383.5	61	15.9	0.0021
No	4418.2	410	9.3
Gender
Male	2129.6	233	10.9	0.0162
Female	2672.1	238	8.9
Age (years)
18–44	1393.1	119	8.5	0.1294
45–64	1836.6	186	10.1
65–92	1572.0	166	10.6
Marital status
Married	3901.0	363	9.3	0.689
Divorced/separated/widowed	649.3	83	12.8
Never married	251.5	25	9.9
Education
Less than high school	394.7	32	8.1	0.3641
High school graduate	2155.3	211	9.8
More than high school	2251.7	228	10.1
Injury 12 months before interview
Yes	955.6	126	13.2	0.0018
No	3842.3	345	9.0
Income
<$20,000	490.6	67	13.7	0.0115
⩾$20,000	4186.5	393	9.4
Hours of sleep per night
<7 hours	1374.0	161	11.7	0.0173
⩾7 hours	3425.4	309	9.0
High CAGE score
Yes	516.4	63	12.2	0.13
No	4285.3	408	9.5