Table 2.
Sociodemographic, professional satisfaction and lifestyle behaviour associated with PHQ-9 total score by regression analysis.
| Factor† | PHQ-9 score (N = 393) | |||||
|---|---|---|---|---|---|---|
| Univariate | Forward stepwise selection | |||||
| Coeff | 95% CI | P-value | Coeff | 95% CI | P-value | |
| Socio-demographic | ||||||
| Age | − 0.071 | (− 0.176, 0.033) | 0.181 | |||
| Female (vs male) | 0.685 | (− 0.442, 1.812) | 0.233 | |||
| Married (vs single, separated and divorced) | − 1.129* | (− 2.249, − 0.009) | 0.048* | NA | ||
| Having children (vs no children) | − 0.952 | (− 2.131, 0.227) | 0.113 | |||
| Private setting of your practice (vs public) | − 1.048 | (− 2.595, 0.500) | 0.184 | |||
| Current specialty | ||||||
| Anaesthesiology/emergency medicine/intensive care | 1.891 | (− 0.201, 3.984) | 0.076 | |||
| Clinical oncology/dermatology and venerology/internal medicine | 0.746 | (− 1.108, 2.599) | 0.429 | NA | ||
| Pathology/radiology | − 0.028 | (− 2.306, 2.250) | 0.981 | |||
| Family medicine/general practice/community medicine | Reference group | |||||
| Obstetrics and gynaecology | 1.214 | (− 1.339, 3.767) | 0.351 | |||
| Orthopaedic surgery/otorhinolaryngology/surgery/ophthalmology | 0.706 | (− 1.086, 2.498) | 0.439 | |||
| Paediatrics | 1.296 | (− 1.222, 3.814) | 0.312 | |||
| Psychiatry | 0.337 | (− 2.148, 2.823) | 0.790 | |||
| Professional satisfaction | ||||||
| Satisfied your present job position (vs not satisfied) | − 0.424 | (− 1.793, 0.946) | 0.543 | |||
| Satisfied with being a medical doctor (vs not satisfied) | − 0.875 | (− 3.219, 1.469) | 0.464 | NA | ||
| Lifestyle behaviours | ||||||
| Average sleep per night | − 1.441* | (− 2.012, − 0.870) | < 0.001* | − 1.441* | (− 2.012, − 0.870) | < 0.001* |
| Hours of work per week | 0.048* | (0.011, 0.085) | 0.010* | |||
| Current smoker (vs non-smoker/ex-smoker) | 5.767 | (− 2.106, 13.640) | 0.151 | |||
| Regular exercise (vs no regular exercise) | − 1.612* | (− 2.914, -0.310) | 0.015* | NA | ||
| At-risk drinker | 0.727 | (− 0.646, 2.101) | 0.297 | |||
CI = Confidence Interval; Coeff = Coefficient; 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.