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Table 3 Rate comparison for all cause hospitalization between categories of WC, by sex

From: The impact of general and central obesity for all-cause hospitalization among Iranian adults: a 20 year follow-up-results from the TLGS cohort

 

WC

*Crude rate values

Crude rate per 1000 person-year (95% CI)

Crude rate ratio (95% CI)

**Age adjusted rate ratio

(95% CI)

†Multivariable adjusted rate ratio (95% CI)

Men

Normal WC

(n = 2309)

2472/35,573

69.4 (65.1–73.8)

Reference

Reference

Reference

High WC

(n = 1418)

1936/21,232

91.2 (84.8–97.4)

1.31 (1.23–1.39)

1.19 (1.08–1.29)

1.18 (1.08–1.29)

Women

Normal WC

(n = 2751)

2709/44,303

61.1 (57.5–64.7)

Reference

Reference

Reference

High WC

(n = 1724)

2723/26,321

103.4 (96.7-110.1)

1.69 (1.60–1.78)

1.32 (1.20–1.44)

1.30 (1.18–1.41)

  1. *Total number of hospitalization/number of person-years
  2. ** Rate ratio were estimated using negative binomial models adjusted for age
  3. Rate ratio were estimated using negative binomial models adjusted for age, education level, smoking status, marital status and physical activity level
  4. CI: confidence interval; WC: waist circumference
  5. Normal WC: WC < 95 cm; High WC: WC ≥ 95 cm