Table 2.

Mean frailty scores ±SD by age, sex and education

	Sample size (n, weighted %)	FI-Self Report	FI-Blood	FI-Examination	FI-Combined
Sex:
Male	12,326 (48.2)	0.08 ± 0.05	0.14 ± 0.10	0.28 ± 0.08a	0.17 ± 0.05
Female	12,454 (51.8)	0.09 ± 0.06a	0.16 ± 0.09a	0.27 ± 0.08	0.17 ± 0.06ab
Age group:
45–54	6,293 (39.5)	0.06 ± 0.04c	0.13 ± 0.08c	0.23 ± 0.06c	0.14 ± 0.04c
55–64	8,228 (31.0)	0.08 ± 0.05	0.15 ± 0.09	0.27 ± 0.06	0.17 ± 0.05
65–74	6,064 (18.3)	0.10 ± 0.06	0.17 ± 0.10	0.32 ± 0.07	0.20 ± 0.05
75+	4,195 (11.1)	0.13 ± 0.06	0.21 ± 0.10	0.38 ± 0.07	0.25 ± 0.05
Education:
Less than secondary school graduation	1,317 (16.7)	0.11 ± 0.06d	0.18 ± 0.10d	0.32 ± 0.08d	0.20 ± 0.06d
Secondary school graduation	2,360 (11.4)	0.09 ± 0.05	0.16 ± 0.10	0.28 ± 0.08	0.18 ± 0.05
Some post-secondary	1,823 (9.2)	0.09 ± 0.06	0.16 ± 0.10	0.27 ± 0.08	0.17 ± 0.06
Post-secondary degree/diploma	19,244 (62.7)	0.08 ± 0.05	0.14 ± 0.09	0.26 ± 0.08	0.16 ± 0.05

^aHigher FI score (P < 0.001)

^bMean FI-Combined scores: 0.170 in males; 0.173 in females (P < 0.001)

^cDifferences between all age groups (Bonferroni post hoc; all P < 0.001)

^dDifferences between education groups except secondary school and some post-secondary (Bonferroni post hoc; all p < 0.001)