Psychophysiological effects of a web-based stress management system: A prospective, randomized controlled intervention study of IT and media workers [ISRCTN54254861]

Table 4 Baseline socioeconomic characteristics. The table depicts the socioeconomic characteristics age, sex, education, annual income and marital status of the participants (n = 303) from the enrolling IT and media companies.

Characteristic	Intervention group n= 129	%	Reference group n= 174	%
Age
≤ 30	31	24	46	27
31–45	44	34	72	41
≥ 46	54	42	56	32
Sex
Male	75	58	112	64
Female	54	42	62	36
Education*
Compulsory school/High school	54	42	89	51
Academic degree	73	57	83	48
Annual income*
< 25,000 USD	24	18	39	22
25,000 – 40,000 USD	76	59	106	61
> 40,000 USD	27	21	27	16
Marital status*
Married/co-inhabiting/liveapart	102	79	134	77
Single	25	19	38	22

ISSN: 1471-2458