Table 3.
Incidence rate ratios (IRR (95% CI)) for diagnoses, referrals, and symptoms (by age, sex, and practice-level socioeconomic status).
| Asthenia/Debility | CFS/ME | FM | PVFS | Referral | Fatigue (symptom) | ||
|---|---|---|---|---|---|---|---|
| Female (cf. male) | 2.15 (1.94, 2.38) | 2.35 (2.19, 2.53) | 6.13 (5.50, 6.82) | 2.01 (1.89, 2.14) | 2.09 (1.48, 2.95) | 2.28 (2.26, 2.31) | |
| Age (cf. <20) years | 20 to 29 | 2.16 (1.66, 2.83) | 0.86 (0.76, 0.96) | 4.86 (4.02, 5.89) | 0.66 (0.58, 0.75) | 2.39 (1.43, 4.02) | 2.41 (2.34, 2.48) |
| 30 to 39 | 3.46 (2.68, 4.46) | 1.39 (1.24, 1.55) | 13.5 (11.0, 16.7) | 1.01 (0.90, 1.14) | 2.56 (1.39, 4.72) | 2.33 (2.26, 2.40) | |
| 40 to 49 | 4.01 (3.03, 5.30) | 1.64 (1.48, 1.83) | 25.3 (20.6, 31.1) | 1.22 (1.08, 1.38) | 3.07 (1.82, 5.18) | 2.38 (2.31, 2.46) | |
| 50 to 59 | 2.80 (2.10, 3.74) | 1.31 (1.17, 1.46) | 24.7 (20.2, 30.4) | 0.99 (0.88, 1.11) | 1.43 (0.85, 2.40) | 2.47 (2.39, 2.54) | |
| 60 to 69 | 1.27 (1.02, 1.58) | 0.56 (0.48, 0.65) | 12.6 (10.3, 15.3) | 0.57 (0.50, 0.66) | 0.66 (0.32, 1.38) | 2.49 (2.41, 2.57) | |
| 70+ | 1.91 (1.47, 2.47) | 0.23 (0.19, 0.27) | 5.99 (4.88, 7.36) | 0.51 (0.44, 0.60) | 0.28 (0.12, 0.64) | 3.51 (3.41, 3.62) | |
| Practice-level IMD quintile (cf. Least deprived)a | Quintile 2 | 0.59 (0.17, 2.04) | 1.00 (0.85, 1.17) | 1.21 (0.94, 1.57) | 0.91 (0.66, 1.25) | 1.63 (0.75, 3.52) | 0.98 (0.86, 1.10) |
| Quintile 3 | 1.09 (0.30, 4.03) | 1.04 (0.85, 1.26) | 1.05 (0.86, 1.27) | 0.80 (0.57, 1.13) | 1.90 (0.87, 4.16) | 0.87 (0.79, 0.96) | |
| Quintile 4 | 0.97 (0.33, 2.80) | 0.82 (0.69, 0.98) | 1.24 (1.01, 1.51) | 0.66 (0.50, 0.87) | 1.37 (0.66, 2.85) | 0.85 (0.77, 0.94) | |
| Most deprived | 2.30 (0.72, 7.38) | 0.61 (0.50, 0.75) | 1.40 (0.95, 2.06) | 0.67 (0.48, 0.93) | 0.97 (0.47, 2.02) | 0.96 (0.86, 1.07) |
a
Practice-level socioeconomic status was measured by its Index of Multiple Deprivation (IMD) score, divided into quintiles. IRR are adjusted for all of the factors shown in the table.