. 2017 Nov 2;5:e3968. doi: 10.7717/peerj.3968

Table 1. Sociodemographic Characteristics (Baranyi et al., 2015a; Baranyi et al., 2015b; Baranyi et al., 2016).

Category	Patients with major depression (n = 71)	Healthy controls (n = 48)	Test for differences
Sex
Male	47 (66.2%)	31 (64.6%)	χ²⁼0.033; df = 1; p = 0.856^a
Female	24 (33.8%)	17 (35.4%)	χ²⁼0.033; df = 1; p = 0.856^a
Age
Mean (years)	49.15	46.06	Mann–Whitney-U: 1985.0; p = 0.13^b
SD	11.4	18.3
Median	50.3	40.4
Range	56	55
Body Mass Index (BMI)
Mean	28.44	24.83	Mann–Whitney-U: 1950.5; p < 0.001^b
SD	7.0	5.2
Median	26.2	22.9
Range	38.2	23.2
Marital status
Single	16 (23.2%)	17 (35.4%)	χ²⁼2.608; df = 3; p = 0.456^a
Partner	48 (69.6%)	28 (58.3%)
Widowed	2 (2.9%)	2 (4.2%)
Divorced	3 (4.3%)	1 (2.1%)
Employment status
Paid work	32 (46.4%)	23 (47.9%)	χ²⁼0.27; df = 1; p = 0.870^a
No paid work (homeworker, un-employed, retired)	37 (53.6%)	25 (52.1%)	χ²⁼0.27; df = 1; p = 0.870^a
*Living arrangements*
Alone	18 (26.1%)	11 (22.9%)	χ²⁼0.153; df = 1; p = 0.696^a
With others (family, partner or friends)	51 (73.9%)	37 (77.1%)	χ²⁼0.153; df = 1; p = 0.696^a

Notes.

Legend

χ² tests.

Mann–Whitney- U-test.