Table 1: Mean, Standard Deviation and Significance for Demographic Characteristics of the fMRI Included Sub-Sample by SES Group

Demographic Measure Low SES (N=8) High SES (N=7) Significance
Gender 4 Male
4 Female
2 Male
5 Female
n/a
Age 22.63 (2.77) 25.57 (2.51) t=2.15, p=.051
Education 2.62 (1.06) 4.14 (0.69) Z=2.75,p=.006**
Current Household Income $29,956 ($14,543) $56,714 ($24,464) t=2.53, p=.031*
Num. of People who Sleep in Home 3.13 (1.55) 2.14 (1.35) t=1.30, p=.216
Perceived Stress Scale 17.38 (5.78) 16.14 (5.27) t=0.43, p=.675
Perceived Neighborhood Stress 30.50 (9.18) 33.00 (6.14) t=0.61, p=.553
Rosenberg Self Esteem 17.75 (8.48) 16.00 (4.32) t=0.49, p=.631
Comprehensive Quality of Life Inventory
Material Well-Being 8.63 (1.60) 10.00 (0.82) t=2.05, p=.061
Health 13.38 (1.51) 14.29 (0.49) t=1.53, p=.151
Productivity 13.00 (1.85) 15.43 (1.72) t=2.62, p=.021*
Intimacy 12.38 (2.26) 13.86 (0.90) t=1.62, p=.130
Safety 11.50 (2.20) 11.43 (1.27) t=0.08, p=.941
Emotional Well-Being 9.00 (2.07) 10.86 (1.35) t=2.02, p=.064
MacArthur Psychosocial Ladder 4.88 (2.23) 6.00 (2.04) t=1.01, p=.330
Social Support 0.87 (0.64) 1.00 (0.58) t=0.39, p=.700
Negative Life Events 2.14 (0.38) 1.79 (0.39) t=1.73, p=.109

Note. Data are mean (SD) except where indicated.
* p<.05
** p <.01
Education was measured on a 5-point scale with a higher value indicating a greater level of education (<H.S., H.S. Diploma, Some College, College Degree, Graduate/Professional Education). Analysis conducted using a Mann–Whitney U.