Table 1.
Baseline characteristics of patients by randomization group (N = 777)
| |
Control |
PF only |
PP only |
PF/PP |
|---|---|---|---|---|
| (N = 183) | (N = 150) | (N = 209) | (N = 235) | |
|
Characteristic |
|
|
|
|
| Age – yr ± SD |
54.0 ± 6.4 |
52.4 ± 7.2 |
53.3 ± 6.7 |
52.9 ± 6.9 |
| Female sex -% |
69 |
78 |
66 |
77 |
| Minority race or ethnic group -% |
11 |
12 |
12 |
11 |
| ≥1 yr post-secondary education -% |
85 |
81 |
88 |
88 |
| Employment -% Full-time or part-time |
70 |
75 |
83 |
74 |
| Marital status -% Married/common-law |
73 |
71 |
74 |
83 |
| Total household income -% |
|
|
|
|
| ≥ 100,000 CAD |
47 |
47 |
50 |
56 |
| ≥ 60,000-99,999 CAD |
26 |
28 |
31 |
28 |
| Current smoker -% |
10 |
10 |
15 |
7 |
| Current alcohol consumption -% |
|
|
|
|
| < 4 times per month |
67 |
65 |
63 |
63 |
| ≥ 2 times per week |
10 |
10 |
17 |
15 |
| Exercise status -% |
|
|
|
|
| Extremely active |
20 |
16 |
15 |
21 |
| ≤ mildly active |
80 |
84 |
85 |
79 |
| Body-mass index¶ – mean ± SD |
25.2 ± 5.7 |
25.3 ± 5.1 |
26.4 ± 5.8 |
25.0 ± 4.7 |
| Obese -% |
14 |
16 |
25 |
16 |
| GAD-7 |
|
|
|
|
| Score - mean ± SD |
6.0 ± (5.7) |
4.8 ± (4.7) |
5.7 ± (5.6) |
4.8 ± (4.8) |
| Range |
0 to 21 |
0 to 21 |
0 to 21 |
0 to 21 |
| PHQ-9 |
|
|
|
|
| Score - mean ± SD |
5.4 ± (5.6) |
5.2 ± (5.0) |
6.2 ± (6.1) |
5.0 (± 5.2) |
| Range |
0 to 27 |
0 to 24 |
0 to 27 |
0 to 23 |
| MOS social support score |
|
|
|
|
| – Mean ± SD |
74.3 ± (24.6) |
73.0 ± (25.9) |
75.0 ± (24.7) |
79.2 ± (22.1) |
| Follow-up time – days ± SD | 212.3 ± (40.8) | 213.9 ± (42.6) | 229.6 ± (50.0) | 234.6 ± (54.5) |
PF: Practice Facilitator (practice-level intervention); PP: Prevention Practitioner (patient-level intervention).
PF/PP: Combined practice-level and patient-level intervention.
CAD: Canadian dollars.
Body mass index (BMI) is the weight in kilograms divided by the square of the height in meters. Obesity is defined as a BMI ≥30.
GAD-7: Generalized Anxiety Disorder. Score for the 7 items ranges from 0 to 21; scores of 5, 10 and 15 represent cut points for mild, moderate and severe anxiety, respectively [37].
PHQ-9: Patient Health Questionnaire-9. Scores for the nine items ranges from 0 to 27. Scores of 5, 15, and 20 represent cut points for mild, moderate and severe major depressive disorder, respectively [38].
MOS Social Support Questionnaire: Scores for the 22 items range from 0 to 100, higher scores indicate higher level of self-perceived support [39].