. 2014 Aug 13;9(8):e102446. doi: 10.1371/journal.pone.0102446

Table 4. Correlation coefficients (Pearson's moment-product correlation coefficients, point-biserial correlation coefficients and Phi coefficients between all study variables (Bergen Work Addiction Scale (BWAS), gender, age group, marital status, caretaker responsibility for children, percentage of full-time equivalent, education and the five dimensions of the Mini-International Personality Item Pool (Extraversion, Agreeableness, Conscientiousness, Neuroticism, Intellect/Imagination)) (N = 1,107–1,124).

Variable		2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20
1.	BWAS	.02	.08^*	.10^**	−.08^*	−.13^**	−.03	.12^**	.08^**	−.11^**	.01	−.07^*	.04	.09^**	.08^**	.08^**	.07^*	−.17^**	.26^**	.13^**
2.	Gender^a		.04	−.02	−.04	.03	.03	.03	.27^**	.04	−.02	.10^**	−.09^**	−.02	−.01	−.01	−.30^**	−.20^**	−.14^**	.15^**
3.	18–31 years			−.40^**	−.37^**	−.23^**	−.18^**	−.20^**	−.10^**	−.00	.12^**	−.01	.02	−.08^**	−.08^**	.07^*	−.03	−.01	.05	.02
4.	32–46 years				−.45^**	−.28^**	.08^*	.46^**	.11^**	−.02	−.04	−.10^**	.05	.12^**	−.00	.04	.03	−.08^**	.03	.05
5.	46–58 years					−.25^**	.06^*	−.05	.06^*	−.00	−.06^*	.09^**	−.06^*	−.02	.08^**	−.05	.03	.10^**	−.05	−.02
6.	59–70 years						.04	−.31^**	−.10^**	.03	−.02	.03	−.01	−.03	−.01	−.08^**	−.04	−.01	−.04	−.07^*
7.	Marital status^b							.24^**	.07^*	−.07^*	−.09^**	.00	.06^*	.03	.03	.01	.01	.05	−.02	−.01
8.	Childcare^c								.11^**	.01	−.06^*	−.09^**	.08^**	.04	.05	.04	.05	−.04	.02	.05
9.	Full-time equivalent^d									.08^**	−.09^**	−.01	.02	.12^**	.05	.08^**	−.07^*	−.01	−.13^**	.07^*
10.	Compulsory school										−.10^**	−.21^**	−.20^**	−.12^**	−.04	−.10^**	−.06^*	−.06^*	.05	−.12^**
11.	High school											−.25^**	−.24^**	−.14^**	−.05	.02	.04	.04	.03	.02
12.	Vocational school												−.48^**	−.29^**	−.10^**	−.04	−.10^**	.02	.04	−.12^**
13.	Bachelor's degree													−.28^**	−.10^**	.06	.08^**	.00	−.05	.04
14.	Master's degree														−.06	.04	.03	.00	−.05	.13^**
15.	PhD															−.01	.04	−.05	−.01	.12^**
16.	Extraversion																.35^**	.08^**	−.08^**	.26^**
17.	Agreeableness																	.17^**	.00	.17^**
18.	Conscientiousness																		−.16^**	−.06^*
19.	Neuroticism																			−.06^*
20.	Intellect/Imagination																			–

*p<.05,

**p<.01, a) female = 1, male = 2, b) not living with a partner = 1, living with a partner = 2, c) no caretaker responsibility for children = 1, caretaker responsibility for children = 2, d) less than 100% = 1, 100% or more = 2.