Elevated depressive symptoms and adolescent injury: examining associations by injury frequency, injury type, and gender

Table 1 Weighted sample characteristics (%)

Variable	Total	Males	Females
Dependent variable
Adolescent injury checklist score^a	2.3	2.5	2.1
Violence-related injury	25.0	25.0	12.4
Transport-related injury	26.3	26.3	10.5
Unintentional injury	74.8	74.8	77.6
Independent variable
Higher risk of depression	23.5	16.3	30.8
Lower risk of depression	76.5	83.6	69.2
Grade level
10	32.6	33.2	32.0
11	34.4	34.4	34.4
12	33.0	32.4	33.5
Weekly spending money
$40 or more	36.7	37.9	35.5
Below $40	51.1	50.7	51.5
Unknown	12.2	11.4	12.9
Risk taking behaviours
Current smoker	13.8	16.7	10.7
Nonsmoker	86.2	83.3	89.3
Heavy drinking	37.4	40.8	34.0
Less heavy drinking	35.3	30.2	40.7
No drinking	27.2	29.0	25.3
Frequent marijuana use	26.3	31.2	21.2
Infrequent marijuana use	18.4	19.0	17.8
No marijuana	55.2	49.8	60.9
Multiple sexual partners	21.2	23.4	19.0
Single sexual partner	27.1	25.5	28.9
Sexually inactive	51.6	51.4	52.1
Individual School measure
Academic marks 70 & above	74.7	68.3	81.4
Academic marks below 70	25.3	31.7	18.6
Absence from school 3 days or more	21.1	25.2	16.8
Absence from school 1 or 2 days	21.5	20.2	22.8
No absence from school	57.4	54.6	60.4
School team sports	37.4	40.1	34.6
No school team sports	62.6	59.9	65.4
Observations (N)	2,781	1,300	1,481

^aAdolescent injury checklist is a count variable, the values represents the mean score.

ISSN: 1471-2458