Table 3.

The odds of major ECG abnormalities in women compared with men by age-groups, in the total population and with an interaction term for sex and ethnicity

	OR (95% CI)	P value	Ratio of ORs (95% CI)‡	P value
Aged 18–35 years (n=5870)*
Overall†	0.38 (0.27 to 0.54)	<0.001	NA	NA
Dutch	0.30 (0.14 to 0.60)	<0.01	Reference	NA
South-Asian Surinamese	0.48 (0.18 to 1.18)	0.12	1.58 (0.47 to 5.11)	0.45
African Surinamese	0.38 (0.12 to 1.05)	0.07	1.25 (0.34 to 4.44)	0.73
Ghanaian	0.48 (0.13 to 1.77)	0.26	1.60 (0.37 to 7.07)	0.52
Turkish	0.55 (0.28 to 1.09)	0.09	1.84 (0.69 to 5.01)	0.23
Moroccan	0.23 (0.09 to 0.55)	<0.01	0.77 (0.23 to 2.42)	0.65
Aged 36–50 years (n=7099)*
Overall†	0.89 (0.70 to 1.12)	0.32	NA	NA
Dutch	0.51 (0.28 to 0.90)	0.02	Reference	NA
South-Asian Surinamese	2.61 (1.39 to 5.20)	<0.01	5.13 (2.19 to 12.56)	<0.001
African Surinamese	0.49 (0.29 to 0.85)	0.01	0.97 (0.44 to 2.16)	0.94
Ghanaian	0.91 (0.50 to 1.71)	0.76	1.79 (0.78 to 4.22)	0.18
Turkish	1.04 (0.64 to 1.69)	0.87	2.04 (0.97 to 4.38)	0.06
Moroccan	0.92 (0.51 to 1.67)	0.79	1.81 (0.80 to 4.17)	0.16
Aged >50 years (n=6489)*
Overall†	0.74 (0.62 to 0.89)	<0.01	NA	NA
Dutch	0.54 (0.37 to 0.78)	<0.01	Reference	NA
South-Asian Surinamese	1.22 (0.79 to 1.91)	0.37	2.27 (1.28 to 4.06)	<0.01
African Surinamese	0.84 (0.59 to 1.18)	0.31	1.55 (0.94 to 2.59)	0.09
Ghanaian	0.74 (0.46 to 1.17)	0.20	1.37 (0.75 to 2.48)	0.30
Turkish	0.55 (0.31 to 0.96)	0.04	1.02 (0.51 to 2.00)	0.96
Moroccan	0.68 (0.40 to 1.16)	0.16	1.26 (0.66 to 2.42)	0.49

*Model adjustment: age, hypertension, hypercholesterolemia, diabetes and smoking status.

†These models were also adjusted for ethnicity.

‡Measure of effect modification on multiplicative scale (statistical interaction term).

NA, not applicable.