Disease and mortality trajectories of cognitively able autistic individuals in mid- and later adulthood

Table 1 Characteristics of individuals at recruitment with and without diagnosis of ASD

Variables	Individuals with no diagnosis of ASD (N = 6590)	Individuals diagnosed with ASD (N = 659)	P value
Age, y
Mean (SD)	52.0 (8.13)	52.0 (8.18)	0.98
Sex (male)	4409 (66.9%)	440 (66.8%)	0.98
Birth year
Mean (SD)	1960 (8.18)	1960 (8.22)	0.95
Townsend deprivation index
Mean (SD)	− 0.267 (3.31)	− 0.162 (3.35)	0.44
Missing	11 (0.2%)	1 (0.2%)
Body mass index, kg/m²
Mean (SD)	27.3 (4.70)	27.7 (5.89)	0.15
Missing	37 (0.6%)	9 (1.4%)
White	6070 (92.1%)	618 (93.8%)	0.03
Missing	36 (0.5%)	9 (1.4%)
Current drinker	6106 (92.7%)	550 (83.5%)	< 0.001
Missing	29 (0.4%)	7 (1.1%)
Current smoker	807 (12.2%)	86 (13.1%)	0.59
Missing	38 (0.6%)	4 (0.6%)
Number of days per week of moderate physical activity with 10 + min
Mean (SD)	3.51 (2.29)	3.39 (2.44)	0.23
Missing	252 (3.8%)	34 (5.2%)
Intellectual disability
Yes	3 (0.0%)	17 (2.6%)	< 0.001
No	6587 (100.0%)	642 (97.4%)
Fluid intelligence
Mean (SD)	6.26 (2.24)	6.62 (2.59)	0.04
Missing	4212 (63.9%)	411 (62.4%)
aCCI
0	2816 (42.7%)	271 (41.1%)	0.24
1	2005 (30.4%)	191 (29.0%)
≥ 2	1769 (26.8%)	197 (29.9%)

This table shows the basic characteristics of the depression individuals and their matched individuals without ASD, including age, sex, race, birth year, Townsend deprivation index, body mass index, drinking status, smoking status, level of physical exercise, diagnosis of intellectual disability, fluid intelligence and age-adjusted Charlson comorbidity index. Numbers were expressed as frequency (percentage), unless otherwise indicated. Specific comorbidities were shown in Table S4
ASD autism spectrum disorder, aCCI age-adjusted Charlson comorbidity index, SD standard deviation

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