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. Author manuscript; available in PMC: 2012 Sep 6.
Published in final edited form as: J Ment Health Policy Econ. 2009 Dec;12(4):175–186.

Table 2.

Relationship of full-time employment expectation to depressive symptoms at age 62, by full-time work status: Poisson regression results

Working full-time at age 62 (N = 2,157) Not working full-time at age 62 (N = 2,084)

Partially Adjusted Model Fully Adjusted Model Partially Adjusted Model Fully Adjusted Model
IRR (95% CI) IRR (95% CI) IRR (95% CI) IRR (95% CI)

Probability of working full-time at age 62 0.87 (0.77, 0.97)* 0.89 (0.79, 0.99)* 1.25 (1.12, 1.39)*** 1.24 (1.11, 1.38)***
Covariates
 Age 1.00 (0.99, 1.02) 1.00 (0.99, 1.01) 0.97 (0.96, 0.99)*** 0.98 (0.97, 0.99)**
 Male 0.97 (0.88, 1.06) 0.93 (0.85, 1.02) 0.91 (0.84, 0.99)* 0.86 (0.79, 0.94)**
 Married civil status 0.87 (0.78, 0.96)** 0.82 (0.73, 0.91)*** 0.90 (0.82, 0.99)* 0.89 (0.81, 0.98)*
 Non-White 1.14 (1.01, 1.29)* 1.09 (0.96, 1.23) 1.05 (0.95, 1.17) 0.98 (0.89, 1.09)
 Educational attainment
  Less than high school ref. ref. ref. ref.
  High school graduate or GED 0.96 (0.86, 1.07) 1.04 (0.93, 1.16) 0.76 (0.68, 0.83)*** 0.87 (0.78, 0.96)**
  Some college, college graduate, or more 0.75 (0.67, 0.85)*** 0.86 (0.76, 0.97)* 0.67 (0.59, 0.75)*** 0.80 (0.71, 0.90)***
 Current smoker 1.20 (1.09, 1.32)*** 1.10 (1.01, 1.22)* 1.20 (1.10, 1.31)*** 1.08 (0.98, 1.18)
 Obese 1.14 (1.03, 1.26)* 1.02 (0.92, 1.13) 0.99 (0.91, 1.09) 0.92 (0.84, 1.01)
 Requires help with one or more BADL 1.29 (1.09, 1.53)** 1.12 (0.94, 1.13) 1.43 (1.24, 1.64)*** 1.19 (1.03, 1.37)*
 Wave 2 depressive symptoms 1.30 (1.27, 1.32)*** 1.25 (1.23, 1.28)*** 1.26 (1.24, 1.28)*** 1.21 (1.18, 1.23)***
 Employed full-time 1.04 (0.89, 1.21) 1.03 (0.88, 1.19) 0.92 (0.84, 1.00) 0.93 (0.85, 1.02)
 Household non-housing net worth 0.99 (0.98, 1.01) 0.99 (0.98, 1.01) 1.00 (0.99, 1.01) 1.00 (0.98, 1.01)
 Household income (respondent + spouse) 1.00 (0.99, 1.02) 1.01 (1.00, 1.03) 1.00 (0.99, 1.01) 1.01 (0.99, 1.02)
 Change in household non-housing net worth -- 1.00 (0.98, 1.00) -- 1.00 (0.99, 1.01)
 Self-rated health at age 62
  Poor ref. ref. ref. ref.
  Fair -- 0.68 (0.57, 0.81)*** -- 0.67 (0.60, 0.76)***
  Good -- 0.48 (0.40, 0.58)*** -- 0.44 (0.39, 0.51)***
  Very Good -- 0.37 (0.33, 0.44)*** -- 0.35 (0.30, 0.41)***
  Excellent -- 0.27 (0.21, 0.34)*** 0.31 (0.26, 0.37)***
 Spouse is employed (when respondent is age 62) -- 1.11 (0.99, 1.25) -- 0.94 (0.85, 1.06)
*

p<.05

**

p<.01

***

p<.001;

IRR=incident rate ratio; CI=confidence interval