| Mean | SD | 1 | 2 | 3 | 4 | 5 | 6 |
1. Age | 78.85 | 8.83 | 1 |
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2. Sex | 1.32 | 0.47 | −0.11** | 1 |
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3. Spousal health | 2.55 | 1.03 | 0.11** | 0.01 | 1 |
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4. Optimism | 2.32 | 1.22 | 0.17** | 0.03 | 0.11** | 1 |
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5. SES | 2.97 | 0.71 | 0.03 | 0.03 | 0.19** | 0.23** | 1 |
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6. Life satisfaction | 2.40 | 1.15 | 0.12** | 0.01 | 0.18** | 0.64** | 0.34** | 1 |