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Table 1 Descriptive statistics based on absence or presence of major depressive disorder at the four year follow-up of the PATH cohort

From: Modifiable risk factors predicting major depressive disorder at four year follow-up: a decision tree approach

  No major depressive disorder n = 6334 Major depressive disorder n = 271 Chi-square/F value p value
Goldberg depression: M (SD) 2.17 (2.18) 5.08 (2.41) 461.8 < 0.001
Gender       
   Male 3097 (96.1%) 125 (3.9%) 0.8 0.372
   Female 3237 (95.7%) 146 (4.3%)   
Age group       
   20-24 1978 (94.0%) 127 (6.0%) 46.6 < 0.001
   40-44 2221 (95.6%) 102 (4.4%)   
   60-64 2135 (98.1%) 42 (1.9%)   
Current smoker       
   Yes 1167 (92.3%) 98 (7.7%) 52.8 < 0.001
   No 5167 (96.8%) 173 (3.2%)   
Harmful/hazardous alcohol use       
   Yes 1182 (92.7%) 93 (7.3%) 40.7 < 0.001
   No 5144 (96.7%) 178 (3.3%)   
Marijuana user       
   Yes 818 (92.3%) 68 (7.7%) 33.2 < 0.001
   No 5516 (96.5%) 203 (3.5%)   
Do mild physical activity       
   Yes 3438 (96.4%) 130 (3.6%) 4.2 0.041
   No 2743 (95.3%) 134 (4.7%)   
Do moderate physical activity       
   Yes 3700 (96.5%) 134 (3.5%) 8.5 0.004
   No 2201 (95.0%) 116 (5.0%)   
Do vigorous physical activity       
   Yes 2968 (96.1%) 122 (3.9%) 0.4 0.518
   No 3207 (95.7%) 143 (4.3%)   
3+ hours moderate physical activity       
   Yes 1940 (96.1%) 78 (3.9%) 0.3 0.580
   No 3961 (95.8%) 172 (4.2%)   
Subjective health rating       
   Excellent 1303 (98.9%) 14 (1.1%) 183.6 < 0.001
   Very good 2658 (97.2%) 76 (2.8%)   
   Good 1820 (94.8%) 99 (5.2%)   
   Fair 479 (88.1%) 65 (11.9%)   
   Poor 73 (81.1%) 17 (18.9%)   
Hypertension       
   Yes 2442 (96.2%) 96 (3.8%) 0.3 0.587
   No 3525 (95.9%) 149 (4.1%)   
Overweight (BMI>25)       
   Yes 2839 (96.2%) 112 (3.8%) 1.8 0.179
   No 3049 (95.5%) 143 (4.5%)   
Education status       
   Less than high school 1165 (94.6%) 66 (5.4%) 30.9 < 0.001
   High school graduate 2455 (94.8%) 135 (5.2%)   
   University graduate 2714 (97.5%) 70 (2.5%)   
Employment status       
   Full-time 3212 (96.5%) 115 (3.5%) 9.3 0.010
   Part-time 1436 (95.8%) 63 (4.2%)   
   Not in the work force 1686 (94.8%) 93 (5.2%)   
Financial pressure       
   Yes 1184 (91.7%) 107 (8.3%) 71.4 < 0.001
   No 5150 (96.9%) 164 (3.1%)   
Life events       
   0 2452 (98.1%) 48 (1.9%) 85.6 < 0.001
   1 1768 (96.7%) 61 (3.3%)   
   2 or more 2114 (92.9%) 162 (7.1%)   
Religious service attendee       
   Yes 1249 (96.4%) 47 (3.6%) 0.9 0.335
   No 5085 (95.8%) 224 (4.2%)