Table 1

Age and sex distribution of people admitted to hospital with mental conditions: number of people, percentage who were men, and ratio of people in the reference cohort in each stratum for each case in the mental illness cohort in the same stratum*, England

SchizophreniaBipolar disorderDepressionAnxiety
Age group (years)N in exposure cohort (% men)% of totalStratum ratio*N in exposure cohort (% men)% of totalStratum ratio*N in exposure cohort (% men)% of totalStratum ratio*N in exposure cohort (% men)% of totalStratum ratio*
15–2413490 (78.5)16606099 (49.7)813312835 (43.0)9625291 (39.3)9153
25–3421832 (73.1)254213205 (44.0)156920847 (45.9)15437034 (43.4)12129
35–4419771 (64.0)234716748 (40.2)205525477 (44.8)19359164 (41.6)16100
45–5917987 (55.4)217621353 (38.4)266427778 (45.4)204712629 (39.6)21107
60–749085 (41.4)1115316249 (36.5)198624099 (39.9)175612233 (32.9)21113
75+3604 (25.5)418510297 (29.4)126527927 (32.3)202312465 (23.2)2153
Total85769 (62.8)1007483951 (39.0)10075138963 (41.5)1004458816 (35.6)100106
  • The equivalent data are not shown for people in the ORLS1 and ORLS2 datasets, and are available from the authors.

  • *In the analysis we included all people eligible to be in each stratum in the reference cohort in calculating the stratum-specific ‘expected’ numbers of people with subsequent pneumococcal disease (there was no benefit in excluding people to get equal numbers in each stratum). For example, in the schizophrenia analysis, there were 809 400 people in the reference cohort aged 15–24 compared with 13 490 people in the schizophrenia cohort.