Table 4.
Sociodemographic, professional satisfaction and lifestyle behaviour associated with PHQ-9 suicide score by regression analysis.
| Factor† | PHQ-9 suicide (N = 393) | |||||
|---|---|---|---|---|---|---|
| Univariate | Forward stepwise selection | |||||
| OR | 95% CI | P-value | OR | 95% CI | P-value | |
| Socio-demographic | ||||||
| Age | 0.967 | (0.918, 1.020) | 0.218 | |||
| Female (vs male) | 0.922 | (0.529, 1.604) | 0.773 | NA | ||
| Married (vs single, separated and divorced) | 0.433* | (0.244, 0.768) | 0.004* | 0.475* | (0.266, 0.849) | 0.012* |
| Having children (vs no children) | 0.533 | (0.282, 1.010) | 0.054 | NA | ||
| Private setting of your practice (vs Public) | 0.562 | (0.230, 1.370) | 0.205 | |||
| Current specialty | ||||||
| Anaesthesiology/emergency medicine/intensive care | 2.139 | (0.810, 5.651) | 0.125 | |||
| Clinical oncology/dermatology and venerology/internal medicine | 1.242 | (0.481, 3.205) | 0.654 | NA | ||
| Pathology/radiology | 0.636 | (0.161, 2.511) | 0.519 | |||
| Family medicine/general practice/community medicine | Reference group | |||||
| Obstetrics and gynaecology | 1.667 | (0.502, 5.531) | 0.404 | |||
| Orthopaedic surgery/otorhinolaryngology/surgery/ophthalmology | 1.400 | (0.567, 3.457) | 0.466 | |||
| Paediatrics | 1.217 | (0.342, 4.339) | 0.762 | |||
| Psychiatry | 0.840 | (0.210, 3.360) | 0.805 | |||
| Professional satisfaction | ||||||
| Satisfied your present job position (vs not satisfied) | 0.784 | (0.413, 1.489) | 0.457 | |||
| Satisfied with being a medical doctor (vs not satisfied) | 0.666 | (0.239, 1.857) | 0.437 | NA | ||
| Lifestyle behaviours | ||||||
| Average sleep per night | 0.659* | (0.486, 0.894) | 0.007* | 0.694* | (0.509, 0.948) | 0.022* |
| Hours of work per week | 1.011 | (0.994, 1.029) | 0.210 | |||
| Current smoker (vs non-smoker/ex-smoker) | 5.627 | (0.347, 91.214) | 0.224 | |||
| Regular exercise (vs no regular exercise) | 1.328 | (0.673, 2.620) | 0.413 | NA | ||
| At-risk drinker | 1.238 | (0.659, 2.327) | 0.507 | |||
CI = Confidence Interval; OR = Odds Ratio; NA = Not Applicable.
Current Smoker (Current smoker vs Non-smoker/ex-smoker).
Regular exercise (5 or more days per week for at least 10 min per day/Any vigorous and moderate physical activities).
Private Practice (Private Solo/ Private Hospital/Non-government organisation).
Public Practice (University/Government/Hospital Authority/Not applicable).
At-risk drinkers were defined if the doctors had 3 or more in AUDIT-C score.
* Significant with P-value < 0.05.
† Variable in brackets is the reference category for independent variables.