. 2023 Jun 15;57(11):910–920. doi: 10.1093/abm/kaad025

Table 1.

Summary of Sociodemographic Data for Both Samples at Time 1, for the Sample Re-contacted at Time 2 and for the Scottish Adult Population

	Sample 1 (Time 1)		Sample 2 (Time 1)		Time 2		Scottish adult population^a
	N	%	N	%	N	%	%
Total	503	100	500	100	489	100	100
Age
Mean (SD)	51.8 (18.6)		52.5 (18.2)		53.5 (18.1)
Age
16–24	51	10.1	43	8.6	41	8.4	14.4
25–34	73	14.5	67	13.4	58	11.9	15.2
35–44	67	13.3	66	13.2	57	11.7	16.8
45–54	66	13.1	70	14.0	72	14.7	18.0
55–64	101	20.1	104	20.8	107	21.9	15.2
65+	145	28.8	150	30.0	154	31.5	20.3
Gender
Male	193	38.4	199	39.8	207	42.3	47.9
Female	308	61.5	301	60.2	282	57.7	52.1
Missing	2	0.4	–	–	–	–	–
Ethnicity
White	476	94.6	484	96.8	479	98.0	96.0
Other group	17	3.4	10	2.0	9	1.8	4.0
Missing	10	2.0	6	1.2	1	0.2	–
SIMD
1	61	12.1	58	11.6	64	13.1	19.5
2	63	12.5	64	12.8	66	13.5	20.0
3	91	18.1	83	16.6	103	21.1	20.2
4	106	21.1	105	21.0	113	23.1	20.0
5	97	19.3	111	22.2	112	22.9	20.3
Missing	85	16.9	79	15.8	31	6.3

SIMD Scottish Index of Multiple Deprivation.