Table S1 Demographic characteristics of reporting subjective memory complaints among those with a MMSE score of 27 or above in the 2007 NSMHWB
Subjective memory complaint 1: Compared to others your age, how would you rate your memory? (n=1608) / Subjective memory complaint 2: Compared to five years ago, how would you rate your memory? (n=1611)Weighted Prevalence / Weighted Prevalence / Univariate logistic regression / Weighted Prevalence / Weighted Prevalence / Univariate logistic regression
Worse % (SE)
(n=54) / Others % (SE)
(n=1,554) / Worse vs Others
OR (95% CI) / Decline % (SE)
(n=520) / Others % (SE)
(n=1,091) / Decline vs others
OR (95% CI)
Age
65-69 / 53.2 (29) / 34.7 (540) / [ref] / 32.1 (169) / 36.7 (401) / [ref]
70-74 / 18.1 (10) / 26.8 (389) / 0.4 (0.2-1.1) / 27.9 (134) / 25.8 (265) / 1.2 (0.9-1.7)
75-79 / 16.4 (8) / 22.3 (356) / 0.5 (0.2-1.3) / 24.2 (127) / 21.3 (239) / 1.3 (0.9-1.8)
80-85
χ2x, p / 12.3 (7) / 16.2 (269) / 0.5 (0.2-1.3)
χ23=5.0, p=0.17 / 15.8 (90) / 16.2 (186) / 1.1 (0.8-1.6)
χ23=2.9, p=0.41
Sex
Female
χ2x, p / 47.4 (24) / 53.3 (823) / 0.8 (0.4-1.6)
χ21=0.4, p=0.52 / 50.2 (260) / 54.3 (587) / 0.9 (0.7-1.1)
χ21=1.6, p=0.21
Education
Post-school / 42.7 (26) / 44.0 (703) / 0.9 (0.5-1.7) / 46.4 (247) / 42.9 (483) / 1.1 (0.9-1.5)
High school / 3.0 (2) / 6.6 (94) / 0.4 (0.1-3.3) / 6.6 (30) / 6.4 (66) / 1.1 (0.7-1.8)
No high school
χ2x, p / 54.3 (26) / 49.4 (757) / [ref]
χ22=0.8, p=0.68 / 46.9 (243) / 50.7 (542) / [ref]
χ22=1.6, p=0.45
Language at spoken at home
English / 97.6 (53) / 96.8 (1511) / - / 96.5 (504) / 97.0 (1063) / [ref]
Other
χ2x, p / 2.4 (1) / 3.2 (43) / -
- / 3.5 (16) / 3.0 (28) / 1.2 (0.7-2.1)
χ21=0.3, p=0.58
Language of country of birth
English / 92.6 (51) / 87.9 (1374) / [ref] / 89.5 (467) / 87.3 (960) / [ref]
Other
χ2x, p / 7.4 (3) / 12.1 (180) / 0.6 (0.1-2.4)
χ21=0.5, p=0.46 / 10.5 (53) / 12.7 (131) / 0.8 (0.5-1.2)
χ21=1.1, p=0.29
SES
High (6th-10thdecile)
χ2x, p / 44.0 (24) / 50.3 (782) / 0.8 (0.4-1.5)
χ21=0.5, p=0.47 / 50.7 (262) / 49.8 (546) / 1.0 (0.8-1.3)
χ21=0.1, p=0.78
Subjective memory complaint 1: Compared to others your age, how would you rate your memory? (n=1608) / Subjective memory complaint 2: Compared to five years ago, how would you rate your memory? (n=1611)
Weighted Prevalence / Weighted Prevalence / Univariate logistic regression / Multivariate logistic regressionb / Weighted Prevalence / Weighted Prevalence / Univariate logistic regression / Multivariate logistic regressionc
Worse % (N)
(n=54) / Others % N)
(n=1,554) / Worse vs Others
OR (95% CI) / Worse vs Others
OR (95% CI) / Decline % (N)
(n=520) / Others % (N)
(n=1,091) / Decline vs Others
OR (95% CI) / Decline vs Others
OR (95% CI)
Lifestyle factors
Recommended weekly exercise
χ2x, p / 32.4 (19) / 43.5 (690) / 0.6 (0.3-1.2)
χ21=2.2, p=0.14 / -
- / 39.2 (247) / 45.0 (501) / 0.8 (0.6-1.0)a
χ21=4.9, p=0.03 / -
-
Current smoker
χ2x, p / 6.5 (4) / 9.0 (152) / 0.7 (0.2-2.4)
χ21=0.3, p=0.57 / -
- / 8.2 (43) / 8.4 (43) / 0.9 (0.6-1.3)
χ21=0.2, p=0.66 / -
-
Current drinker
χ2x, p / 82.8 (45) / 82.9 (1282) / 1.0 (0.4-2.5)
χ21=0.0, p=0.99 / -
- / 82.7 (511) / 83.0 (898) / 1.0 (0.7-1.4)
χ21=0.0, p=0.90 / -
-
Mental health service use
Any service use
χ2x, p / 18.0 (8) / 5.9 (87) / 3.5 (1.4-8.9)a
χ21=6.8, p=0.009 / 1.7 (0.6-5.2)
χ21=9.9, p=0.33 / 8.4 (39) / 5.3 (56) / 1.6 (1.0-2.6)a
χ21=3.9, p=0.05 / 1.1 (0.6-1.9)
χ21=0.1, p=0.79
Psychological distress
Medium-high K10 (15+)
χ2x, p / 45.3 (24) / 16.9 (259) / 4.1 (2.1-8.0)a
χ21=16.4, p<0.001 / 2.7 (1.1-6.6)a
χ21=4.7, p=0.03 / 27.2 (169) / 14.4 (153) / 2.0 (1.5-2.6)a
χ21=28.1, p<0.001 / 1.4 (1.0-1.9)a
χ21=5.0, p=0.02
Functioning
WHODAS (>75th percentile)
χ2x, p / 38.0 (21) / 22.8 (350) / 2.1 (1.1-4.1)a
χ21=4.6, p=0.03 / 1.1 (0.5-2.3)
χ21=0.0, p=0.88 / 33.8 (203) / 19.3 (214) / 1.9 (1.5-2.2)a
χ21=23.4, p<0.001 / 1.5(1.0-2.1)a
χ21=4.4, p=0.04
Self-assessed mental and physical health
Negative self-assessed mental health
χ2x, p / 23.5 (14) / 7.3 (113) / 3.9 (2.0-7.7)a
χ21=15.6, p<0.001 / 2.1 (0.9-5.4)
χ21=2.6, p=0.10 / 14.0 (74) / 5.0 (54) / 3.1 (2.0-4.8)a
χ21=25.4, p<0.001 / 2.2 (1.4-3.4)a
χ21=11.5, p0.001
Negative self-assessed physical health
χ2x, p / 35.3 (19) / 21.2 (323) / 2.0 (1.0-3.9)a
χ21=4.3, p=0.03 / 0.9 (0.4-1.9)
χ21=0.1, p=0.16 / 29.7 (150) / 18.1 (195) / 1.9 (1.5-2.5)a
χ21=22.4, p<0.001 / 0.8 (06-1.1)
χ21=1.6, p=0.21
Chronic conditions
One or more chronic conditions
χ2x, p / 82.6 (45) / 77.3 (1202) / 1.4 (0.7-3.0)
χ21=0.7, p=0.39 / -
- / 78.9 (412) / 76.8 (837) / 1.1 (0.9-1.4)
χ21=1.5, p=0.22 / -
-
Table S2 Lifestyle and clinical characteristics of reporting subjective memory complaints among those with a MMSE score of 27 or above in the 2007 NSMHWB
a Odds ratio significant at the p<0.05 level
bMultivariate model controlled for service use, K10, WHODAS, self-assessed mental and physical health, 12-month anxiety disorders, as well as objective cognitive impairment
cMultivariate model controlled for service use, K10, WHODAS, self-assessed mental and physical health, 12-month anxiety disorders, lifetime alcohol and affective disorders as well as objective cognitive impairment
Table S3 12-month and lifetime psychiatric disorders associated with subjective memory complaints among those with a MMSE score of 27 or above in the 2007 NSMHWB
Subjective memory complaint 1: Compared to others your age, how would you rate your memory? (n=1608) / Subjective memory complaint 2: Compared to five years ago, how would you rate your memory? (n=1611)Weighted Prevalence / Weighted Prevalence / Univariate logistic regression / Multivariate logistic regressionb / Weighted Prevalence / Weighted Prevalence / Univariate logistic regression / Multivariate logistic regressionc
Worse % (N)
(n=54) / Others % (N)
(n=1,554) / Worse vs Others
OR (95% CI) / Worse vs Others
OR (95% CI) / Decline % (N)
(n=520) / Others % (N)
(n=1,091) / Decline vs Others
OR (95% CI) / Decline vs Others
OR (95% CI)
Anxiety disorder (12 month)
χ2x, p / 6.3 (4) / 5.5 (93) / 3.2 (1.4-7.4)a
χ21=7.9, p=0.005 / 0.4 (0.2-1.0)a
χ21=3.8, p=0.05 / 7.3 (53) / 4.5 (51) / 1.5 (0.8-2.6)
χ21=1.8, p=0.18 / -
-
Anxiety disorder (lifetime)
χ2x, p / 19.2 (12) / 15.0 (246) / 1.3 (0.6-2.9)
χ21=0.6, p=0.44 / -
- / 18.2 (105) / 13.7 (154) / 1.4 (1.0-2.0)
χ21=3.3, p=0.07 / -
-
Affective disorder (12 month)
χ2x, p
Major Depressive Disorder (12 month)
χ2x, p / 3.3 (2)
3.3 (2) / 2.4 (31)
1.5 (19) / 0.4 (0.2-10.4)
χ21=0.1, p=0.74
2.3 (0.3-18.5)
χ21=0.6, p=0.45 / -
-
-
- / 3.4 (15)
2.4 (10) / 1.9 (18)
1.1 (11) / 1.8 (0.8-4.1)
χ21=1.8, p=0.18
2.2 (0.7-6.6)
χ21=2.0, p=0.16 / -
-
-
-
Affective disorder (lifetime)
χ2x, p
Major Depressive Disorder (lifetime)
χ2x, p / 13.4 (7)
7.0 (4) / 8.2 (127)
3.5 (54) / 1.7 (0.6-4.9)
χ21=0.4, p=0.51
2.1 (0.6-7.5)
χ21=1.2, p=0.27 / -
-
-
- / 10.6 (54)
4.9 (24) / 7.3 (80)
3.0 (34) / 1.5 (1.0-2.3)
χ21=3.5, p=0.06
1.7 (0.9-3.2)
χ21=2.5, p=0.12 / -
-
-
-
Alcohol use disorder (12 month)
χ2x, p / 0 / 0.8 (12) / -
- / -
- / 1.8 (9) / 0.3 (3) / 6.8 (1.2-40.2)a
χ21=4.5, p=0.03 / 0.2 (0.1-1.8)
χ21=1.9, p=0.17
Alcohol use disorder (lifetime)
χ2x, p / 18.1 (10) / 12.0 (198) / 1.6 (0.5-4.9)
χ21=0.7, p=0.39 / -
- / 16.0 (87) / 10.5 (122) / 1.6 (1.1-2.4)a
χ21=6.2, p=0.01 / 1.5 (1.0-2.2)a
χ21=4.5, p=0.03
a Odds ratio significant at the p<0.05 level
bMultivariate model controlled for service use, K10, WHODAS, self-assessed mental and physical health, 12-month anxiety disorders, as well as objective cognitive impairment
cMultivariate model controlled for service use, K10, WHODAS, self-assessed mental and physical health, 12-month anxiety disorders, lifetime alcohol and affective disorders as well as objective cognitive impairment (ORs for 12-month alcohol use disorders were established in a separate model)