. 2023 Jun 6;9(4):e102. doi: 10.1192/bjo.2023.76

Table 2.

Prevalence estimates split by age, sex and literacy, using the 10/66 short-form algorithm (grand total prevalence is also reported in both weighted and unweighted formats)

	Indonesia			South Africa
	10/66 short-form dementia diagnosis algorithm			10/66 short-form dementia diagnosis algorithm
	Cohort, n	Positive cases, n	Positive cases, rate, % (95% CI)	Cohort, n	Positive cases, n	Positive cases, Rate, % (95% CI)
Male, age (years)
65–69	443	74	16.7 (13.4–20.5)	45	1	2.2 (0.1–11.8)
70–74	245	47	19.2 (14.4–24.7)	40	6	15.0 (5.7–29.8)
75–79	110	35	31.8 (23.3–41.4)	23	1	4.3 (0.1–21.9)
80–84	40	19	47.5 (31.5–63.9)	12	3	25.0 (5.5–57.2)
85–89	13	2	15.4 (1.9–45.4)	10	6	60.0 (26.2–87.8)
≥90	2	0	0.0 (0.0–84.2)	3	1	33.3 (0.8–90.6)
Total	853	177	20.8 (18.1–23.6)	133	18	13.5 (8.2–20.5)
Female, age (years)
65–69	574	134	23.3 (19.9–27.0)	70	1	1.4 (0.0–7.7)
70–74	367	103	28.1 (23.5–33.0)	69	9	13.0 (6.1–23.3)
75–79	182	70	38.5 (31.4–45.9)	45	6	13.3 (5.1–26.8)
80–84	97	51	52.6 (42.2–62.8)	39	7	17.9 (7.5–33.5)
85–89	27	19	70.4 (49.8–86.2)	25	8	32.0 (14.9–53.5)
≥90	10	8	80.0 (44.4–97.5)	11	4	36.4 (10.9–69.2)
Total	1257	385	30.6 (28.1–33.3)	259	35	13.5 (9.6–18.3)
Literacy^a
Total literate	1710	373	21.8 (19.9–23.8)	298	33	11.1 (7.7–15.2)
Total illiterate	369	181	49.1 (43.8–54.3)	95	21	22.1 (14.2–31.8)
Totals
Grand total (unweighted)^a	2110	562	26.6 (24.8–28.6)	408	59	14.5 (11.2–18.3)
Grand total (weighted)^b	2229	602	27.9 (25.2–28.9)	432	54	12.5 (9.5–16.0)

The 10/66 short-form refers to the 10/66 Short Dementia Diagnostic Schedule.

^a.

Grand total may be higher than subgroups because of missing demographic details.

^b.

Weighted by national age, sex and literacy estimates; see Supplementary Appendix 3 for weightings.