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Table 5 Summary findings of multinomial logistic regression of association between multimorbidity and some of its risk factors

From: Determinants of multimorbidity in older adults in Iran: a cross-sectional study using latent class analysis on the Bushehr Elderly Health (BEH) program

Variables

Categories

Class1: Relatively healthy(n = 1394)

OR(95%CI)

Class 2: Cardiovascular-metabolic(n = 623)

OR(95%CI)

Class3: Cognitive-metabolic and osteoporosis(409)

OR(95%CI)

Age

1

0.95(0.93–0.97)*

1.01(0.99–1.03)

Gender

♦ Male

1

1

1

Female

1

1.98(1.53–2.55)*

4.45(3.17–6.25)*

Marital status

♦Married

1

1

1

Single

1

0.81(0.68–1.27)

0.84(0.61–1.16)

Educational level

♦ Illiterate

1

1

1

Primary school

1

0.95(0.71–1.26)

0.69(0.50–0.94)*

High school Diploma

1

0.88(0.69–1.27)

0.43(0.29–0.64)*

Academic

1

0.79(0.53–1.37)

0.52 (0.25–1.05)

Physical Activity

♦No active and sedentary

1

1

1

low active

1

0.74(0.55–0.99)*

0.74(0.51–1.09)

Active

1

0.64(0.40–1.01)

0.66(0.36–1.23)

Household Income

♦Low

1

1

1

Moderate

1

0.96(0.72–1.29)

0.79(0.58–1.08)

High

1

0.72(0.50–1.04)

0.70(0.45–1.09)

Tobacco smoking

♦No

1

1

1

Past smoking

1

1.04 (0.81–1.32)

1.02(0.75–1.39)

Current smoking

1

0.80(0.58–1.11)

1.46(1.01–2.12)*

Sleep

♦Less than 6 h

1

1

1

6 to 9 h

1

0.50(0.21–1.18)

0.18(0.07–0.44)*

More than 9 h

1

0.65(0.27–1.53)

0.34(0.13–0.83)*

Polypharmacy

♦No

1

1

1

Yes

1

3.53(2.65–4.69)*

1.96(1.37–2.80)*

  1. *P-value < 0.05; OR: odds ratio; CI: confidence interval. Class 1 (background ageing) was considered the reference group for multinomial regression analyses. ♦ indicates the reference category for each covariate