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. Author manuscript; available in PMC: 2008 Jun 30.
Published in final edited form as: Int J Behav Dev. 2004;28:1–15. doi: 10.1080/01650250344000226

Table 1.

Sample description: Means and standard deviations of sociodemographic and health variables

Age group
Young adults (n = 52)
Middle-aged adults (n = 51)
Older adults (n = 55)
Variable M SD M SD M SD
Age (in years) 28.68 6.19 48.06 5.10 74.43 7.61
Education (in years) 15.08 1.87 16.26 2.36 16.02 3.48
Annual income (in $1000) 42.50 30.00 65.00 30.00 42.50 5.00
Physical health rating 4.90 0.93 5.18 0.89 5.46 0.77
Vision rating 4.64 1.27 4.45 1.14 4.95 0.78
Hearing rating 4.98 0.87 4.94 1.10 4.47 1.23
Life satisfaction rating 4.42 0.72 4.69 0.76 5.07 0.66