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. 2013 May 7;10(5):e1001435. doi: 10.1371/journal.pmed.1001435

Table 1. Self-reported disability, percentage working for income in the past 2 weeks, pain interfering with work, and subjective well-being for mature adults (aged 45+ y) in the MLSFH.

Age Group Characteristic Year Percent (2010) Who Worked for Income in Past 2 Weeks Percent (2010) for Whom Pain Interfered with Work in Last 4 Weeks Percent (2010) Who Are Somewhat/Very Unsatisfied with Life
2006 2008 2010
N Percent N Percent N Percent N Percent N Percent N Percent
45–64 y Disability Status
Active 427 72.4% 537 67.4% 428 56.8% 165 38.5% 64 14.9% 16 3.7%
Moderately limited 132 22.4% 200 25.1% 239 31.7% 82 34.3% 120 50.2% 23 9.6%
Severely limited 31 5.3% 41 5.1% 64 8.5% 16 26.2% 40 65.6% 16 26.2%
Dead 19 2.4% 23 3.1%
Men 316 53.6% 362 45.4% 340 45.1%
65+ y Disability Status
Active 34 54.0% 120 41.0% 87 24.6% 23 26.4% 18 20.6% 5 5.7%
Moderately limited 20 31.7% 108 36.9% 142 40.1% 34 23.9% 75 52.8% 14 9.9%
Severely limited 9 14.3% 62 21.2% 93 26.3% 8 9.0% 69 77.5% 26 29.2%
Dead 3 1.0% 32 9.0%
Men 43 68.3% 142 48.5% 170 48.0%
Average Age 54.2 59.0 61.0

Disability classification is based on MLSFH questions (1) “Do you have any health problems that limit you in carrying out moderate activities?” and (2) “Do you have any health problems that limit you in carrying out strenuous activities?”, with each question providing a list of moderate/strenuous activities and response categories being “not limited,” “limited a little,” and “limited a lot.” Individuals who indicated that they had no limitations in either set of activities were classified as healthy, those who responded “somewhat limited” on either question were classified as moderately disabled, and individuals who responded “limited a lot” on either question were classified as severely disabled. “Dead” refers to mortality between survey waves among respondents who were interviewed in the MLSFH 2006 and/or 2008. “Pain interfering with work” is based on the question “During the past 4 wk, how much did pain interfere with your normal work (including both work outside the home and housework)?” Individuals responding “moderately,” “quite a bit,” or “extremely” were classified as being limited by pain. Individuals responding “somewhat unsatisfied” or “very unsatisfied” to the question “How satisfied are you with your life, all things considered?” were classified as having low life satisfaction. Three severely limited individuals aged 45–64 y and four severely limited individuals aged 65+ y had missing values on working for income, pain interfering with work, and life satisfaction, and were removed from the denominator for percentage calculations.