Table 2: Age differences in social relationships between the old (age 70–79) and the oldest-old (age 90–104), HRS 2006/2008.

Age 70–79Age 90–104P
NMean(s.d.)NMean(s.d.)

Social contact
 Children19334.54(1.28)1084.93(1.20)<.001
 Family19313.80(1.45)1144.10(1.60).048
 Friends19394.36(1.25)1134.38(1.19)n.s.
Close relationships
 Children38542.85(2.11)2262.45(2.22).009
 Family37893.43(3.17)2263.98(3.50).020
 Friends37613.79(3.29)2334.07(3.71)n.s.
Relationship quality
 Spouse/partner
  Social support27103.50(0.70)653.31(0.75).048
  Strain27351.95(0.77)691.82(0.82)n.s.
 Children
  Social support38133.35(0.77)2253.54(0.66)<.001
  Strain38401.61(0.66)2301.50(0.68).025
 Family
  Social support38342.91(0.98)2253.10(0.88)<.001
  Strain38471.48(0.62)2281.36(0.54)<.001
 Friends
  Social support38943.03(0.85)2382.95(0.89)n.s.
  Strain38191.37(0.50)2431.31(0.43).031

Note: Figures shown are weighted sample sizes and means with standard deviation in parentheses. values denoting statistical significance of age differences were obtained using ANOVA tests.
Social contact with children, family, and friends was measured in 2008 only.