Socioeconomic differences in adolescent health behaviors and their effect on inequalities in adult depressed mood: findings from a 27-year longitudinal study

Table 1 Descriptive statistics and correlations for study variables

Variable	n	Min/Max	M	SD	1	2	3	4	5	6	7	8	9	10	11	12
1. Depressed mood (age 40)	449	1/6	1.63	0.83
2. Parental education	968	1/5	2.58	1.18	− 0.14**
3. Household income	615	1/6	4.29	1.24	− 0.08	0.40**
4. Participant income (age 40)	448	1/10	6.44	2.13	− 0.26**	0.15**	0.07
5. Participant education (age 40)	450	1/5	4.08	1.07	− 0.23**	0.35**	0.21**	0.23**
6. Adolescent depressed mood	1061	1/6	2.38	0.91	0.32**	− 0.13**	− 0.18**	− 0.23**	− 0.16**
7. Parental closeness	1065	1.5/6	4.45	0.88	− 0.22**	0.10**	0.13**	0.15**	0.089	− 0.37**
8. Peer acceptance	1083	1/6	4.65	0.79	0.19**	0.09**	0.13**	0.18**	0.14**	0.31**	0.39**
9. Difficulties falling asleep¹	1052	1/4	1.88	0.50	0.10*	0.01	− 0.08	− 0.04	− 0.00	0.20**	− 0.13**	− 0.15**
10. LTPA	1103	1/7	4.69	1.13	− 0.16**	0.06	0.15**	0.28**	0.14**	− 0.16**	0.16**	0.17**	− 0.13**
11. Breakfast regularity	1093	1/4	3.47	0.79	− 0.19**	− 0.16**	0.14**	0.15**	0.15**	− 0.16**	0.18**	0.07*	− 0.08*	0.13**
12. Smoking	1099	1/4	1.78	0.95	0.11*	− 0.09**	− 0.10*	− 0.08	− 0.21**	0.20**	− 0.17**	0.04	0.10**	− 0.18**	− 0.23**
13. Alcohol consumption	1089	1/8	2.74	1.29	0.04	− 0.04	− 0.00	0.04	− 0.13**	0.14**	− 0.17**	0.07*	0.09**	− 0.11**	− 0.16**	0.61**

Note. ^*p <.05. ^**p <.01. Note. n = no. of observations, M = mean, Min = Minimum value, Max = Maximum value, SD = Standard Deviation
¹The scale was shortened to the first three response categories from 1993 and onwards
LTPA = Leisure time physical activity

ISSN: 1471-244X