| Variable | Relative risk of non-fatal RTI (95% CI)* | Population of Hyderabad† | Estimated number of people in Hyderabad with non-fatal RTI annually‡ (95% CI) | ||
| Overall | Recovery period of >7 days | Overall | Recovery period of >7 days | ||
| Age group (years) | |||||
| 5–9 | 1.13 (1.03 to 1.23) | 0.84 (0.72 to 0.99) | 412581 | 64363 (61021 to 66962) | 19598 (18277 to 20918) |
| 10–14 | 1.70 (1.56 to 1.84) | 1.30 (1.13 to 1.50) | 451834 | 106181 (103334 to 109028) | 33481 (32035 to 34927) |
| 15–19 | 2.17 (2.01 to 2.35) | 1.81 (1.59 to 2.07) | 446968 | 134671 (131856 to 137487) | 45904 (44473 to 47334) |
| 20–29 | 1.51 (1.40 to 1.63) | 1.30 (1.15 to 1.47) | 783387 | 163885 (158949 to 168820) | 57579 (55072 to 60086) |
| 30–39 | 1.48 (1.37 to 1.60) | 1.15 (1.01 to 1.32) | 558585 | 114286 (110767 to 117806) | 36643 (34856 to 38431) |
| 40–49 | 1.00 | 1.00 | 388468 | 53686 (51239 to 56134) | 22026 (20783 to 23269) |
| Sex | |||||
| Males | 2.36 (2.26 to 2.46) | 2.64 (2.43 to 2.86) | 1571619 | 450897 (436753 to 465042) | 157633 (149775 to 165491) |
| Females | 1.00 | 1.00 | 1470204 | 178777 (168044 to 189509) | 55721 (51604 to 59837) |
| PCMI quartiles (Indian Rupees)¶ | |||||
| ⩽625 | 0.90 (0.85 to 0.95) | 0.93 (0.84 to 1.04) | – | – | – |
| 626–1100 | 1.04 (0.98 to 1.10) | 1.09 (0.98 to 1.21) | – | – | – |
| 1101–2136 | 1.08 (1.02 to 1.14) | 1.24 (1.12 to 1.37) | – | – | – |
| >2136 | 1.00 | 1.00 | – | – | – |
| Total (5–49 years) | Not applicable | Not applicable | 3041823 | 628136 (608973 to 647300) | 212928 (203194 to 222661) |
*40–49 years and females used as reference categories for age, sex, and PCMI, respectively.
†Census Bureau of India.8
‡Calculated from annual non-fatal RTI incidence based on 3-month recall period.
¶1 US$ (£0.58; €0.74) was approximately 44 Indian Rupees during the study period; income distribution data for the Hyderabad population not available and therefore estimates not made for RTI numbers in Hyderabad for the PCMI quartiles.