Differences in fat mass, android to gynoid ratio and lean mass (95% CI) at age 60–64 years between the hypothetical lowest and highest socioeconomic position (slope index of inequality)
| (A) Fat mass index (kg/m1.2) | (B) Android to gynoid ratio | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| N (M/F) | Men | p Value | Women | p Value | p Value# | Men | p Value | Women | p Value | p Value# | |
| Paternal occupational class (4 years) | 710/767 | 1.04 (0.09 to 1.99)* | 0.03 | 2.61 (1.34 to 3.89) | <0.01 | 0.06 | 8.03 (4.06 to 12.01)* | <0.01 | 5.91 (2.87 to 8.95) | <0.01 | 0.40 |
| Maternal education (6 years) | 668/721 | 1.27 (0.22 to 2.33) | 0.02 | 2.72 (1.28 to 4.16) | <0.01 | 0.11 | 8.22 (3.82 to 12.63) | <0.01 | 6.12 (2.73 to 9.52) | <0.01 | 0.46 |
| Paternal education (6 years) | 660/718 | 1.07 (0.03 to 2.10) | 0.04 | 3.67 (2.28 to 5.07) | <0.01 | <0.01 | 8.40 (4.05 to 12.74) | <0.01 | 9.64 (6.34 to 12.94) | <0.01 | 0.65 |
| Own education (26 years) | 704/771 | 1.65 (0.69 to 2.60) | <0.01 | 2.08 (0.81 to 3.35) | <0.01 | 0.60 | 8.42 (4.43 to 12.41) | <0.01 | 3.41 (0.27 to 6.54) | 0.03 | 0.05 |
| Occupational class (53 years) | 739/789 | 0.72 (−0.26 to 1.69) | 0.15 | 2.14 (0.78 to 3.49) | <0.01 | 0.10 | 3.81 (−0.33 to 7.96)* | 0.07 | 4.97 (1.69 to 8.25) | <0.01 | 0.67 |
| Household income (60–64 years) | 711/770 | 1.23 (0.32 to 2.14)* | <0.01 | 2.17 (0.91 to 3.42)* | <0.01 | 0.24 | 4.09 (0.16 to 8.01) | 0.04 | 3.26 (0.20 to 6.32) | 0.04 | 0.74 |
| (C) Appendicular lean mass index (kg/m2) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| N (M/F) | Men, unadjusted | p Value | Men, adjusted for fat mass index | p Value | Women, unadjusted | p Value | Women, adjusted for fat mass index | p Value | p Value# | p Value## | |
| Paternal occupational class (4 years) | 710/767 | 0.31 (0.06 to 0.55) | 0.01 | 0.17 (−0.04 to 0.39) | 0.11 | 0.04 (−0.18 to 0.26) | 0.70 | −0.26 (−0.42 to −0.09) | <0.01 | 0.11 | <0.01 |
| Maternal education (6 years) | 668/721 | 0.26 (−0.01 to 0.54) | 0.06 | 0.10 (−0.14 to 0.34) | 0.39 | 0.11 (−0.14 to 0.35) | 0.40 | −0.21 (−0.39 to −0.02) | 0.03 | 0.40 | 0.03 |
| Paternal education (6 years) | 660/718 | 0.26 (−0.01 to 0.52) | 0.06 | 0.12 (−0.11 to 0.36) | 0.30 | 0.16 (−0.08 to 0.40) | 0.20 | −0.26 (−0.45 to −0.08) | <0.01 | 0.60 | <0.01 |
| Own education (26 years) | 704/771 | 0.30 (0.05 to 0.55)* | 0.02 | 0.09 (−0.13 to 0.31)* | 0.42 | −0.03 (−0.25 to 0.19) | 0.82 | −0.27 (−0.43 to −0.10) | <0.01 | 0.05 | <0.01 |
| Occupational class (53 years) | 739/789 | 0.14 (−0.12 to 0.39) | 0.30 | 0.04 (−0.18 to 0.27) | 0.70 | 0.01 (−0.22 to 0.24)* | 0.94 | −0.24 (−0.41 to −0.06) | <0.01 | 0.47 | 0.04 |
| Household income (60–64 years) | 711/770 | −0.08 (−0.32 to 0.16) | 0.52 | −0.24 (−0.45 to −0.03) | 0.03 | 0.08 (−0.14 to 0.29) | 0.47 | −0.17 (−0.33 to −0.01) | 0.04 | 0.34 | 0.73 |
#p Value for sex interaction term (#before and ##after adjustment for fat mass index); *evidence for departure from linearity (p<0.05); occupational class was that of the highest in the household and derived using the Registrar General's classification; analyses were restricted to those with valid measures for all body composition outcomes.