Table 1

Characteristics of the analysed population, number and proportion of deaths, and death rates

	Number of participants	Number of deaths	Rate (per 1000)	95% CI
Childhood characteristics (n=11 868)
Birth weight (g)
<3000	1993	1385	11.31	10.73	11.92
3000–3999	8192	5486	9.55	9.30	9.80
≥4000	1683	1145	9.81	9.26	10.40
Gestational age
Preterm	915	682	13.14	12.20	14.17
Term	9533	6382	9.62	9.39	9.86
Post-term	1420	952	9.65	9.06	10.29
Sex
Male	6253	4620	11.14	10.83	11.47
Female	5615	3396	8.51	8.23	8.80
Mother's parity
1	4295	2864	9.59	9.25	9.95
2	2887	1931	9.68	9.26	10.12
3	1661	1119	9.89	9.33	10.49
≥4	3025	2102	10.38	9.95	10.84
Maternal age
≤24	3511	2395	9.93	9.54	10.33
25–29	3412	2312	9.80	9.41	10.21
30–34	2501	1650	9.60	9.15	10.07
≥35	2444	1659	10.07	9.60	10.57
Mother's marital status
Married	10 009	6673	9.66	9.43	9.89
Single/divorced/widowed	1859	1343	10.93	10.36	11.53
Family's socioeconomic position at birth
High	3298	2060	8.98	8.60	9.37
Middle	2658	1830	10.00	9.55	10.46
Low	5912	4126	10.29	9.98	10.60
Birth year
1915–1919	3110	2723	12.72	12.25	13.21
1920–1924	4019	2817	10.18	9.82	10.56
1925–1929	4739	2476	7.67	7.37	7.97
Adult characteristics of those who survived at age 55 (n=9441)
Own education
Basic	5563	3617	27.30	26.42	28.20
Other	3878	2192	22.72	21.79	23.69
Own adult occupation
Disadvantaged	4832	3617	29.14	28.17	30.15
Advantaged	4609	2192	24.91	24.01	25.84
Own adult income (in tertiles)
1st	3199	1984	26.55	25.41	27.75
2nd	3125	1948	25.57	24.46	26.73
3rd	3117	1877	24.05	22.99	25.16
Own marital status
Married	7964	4807	24.61	23.93	25.32
Unmarried	1477	1002	29.77	27.98	31.67

Uppsala Birth Cohort Multigenerational Study, participants born 1915–1929 (N=11 868).