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Table 2 Odds ratios of depressive symptoms by type of tea consumption among whole sample and subpopulations

From: Type of tea consumption and depressive symptoms in ChineseĀ older adults

Ā 

Green tea

vs. No tea

Fermented tea

vs. No tea

Floral tea

vs. No tea

Whole samplea

ā€ƒModel 1

0.53 (0.48ā€“0.58) *

0.63 (0.56ā€“0.70) *

0.49 (0.43ā€“0.57) *

ā€ƒModel 2

0.72 (0.65ā€“0.80) *

0.79 (0.70ā€“0.89) *

0.62 (0.53ā€“0.72) *

ā€ƒModel 3

0.80 (0.72ā€“0.89) *

0.84 (0.74ā€“0.95) *

0.69 (0.60ā€“0.81) *

ā€ƒModel 4

0.85 (0.76ā€“0.95) *

0.87 (0.76ā€“0.99) *

0.70 (0.59ā€“0.82) *

Subpopulations based on model 4

By Sex

ā€ƒMen

0.79 (0.69ā€“0.92) *

0.85 (0.71ā€“1.03)

0.77 (0.62ā€“0.95) *

ā€ƒWomen

0.93 (0.79ā€“1.10)

0.89 (0.74ā€“1.08)

0.61 (0.48ā€“0.78) *

By Age group

ā€ƒAgeā€‰<ā€‰80ā€‰years

0.87 (0.75ā€“1.00)

0.81 (0.68ā€“0.97) *

0.70 (0.56ā€“0.87) *

ā€ƒAgeā€‰ā‰„ā€‰80ā€‰years

0.82 (0.69ā€“0.97) *

0.96 (0.79ā€“1.18)

0.69 (0.54ā€“0.88) *

By urban-rural residence

ā€ƒUrban residency

0.82 (0.73ā€“0.94) *

0.90 (0.76ā€“1.07)

0.71 (0.58ā€“0.88) *

ā€ƒRural residency

0.91 (0.76ā€“1.08)

0.84 (0.68ā€“1.04)

0.68 (0.52ā€“0.89) *

By geographic region

ā€ƒNorthern China

0.84 (0.66ā€“1.06)

1.09 (0.83ā€“1.44)

0.74 (0.57ā€“0.96) *

ā€ƒEastern China

0.90 (0.74ā€“1.11)

1.11 (0.85ā€“1.46)

0.48 (0.25ā€“0.94) *

ā€ƒCentral China

0.83 (0.67ā€“1.04)

0.76 (0.55ā€“1.05)

0.70 (0.39ā€“1.28)

ā€ƒSouthwestern China

0.60 (0.47ā€“0.76) *

0.70 (0.56ā€“0.87) *

0.88 (0.68ā€“1.03)

  1. a Model 1 included types of tea consumption as the sole variable; Model 2 controlling for demographic and socioeconomic variables: age (continuous), sex, education, socioeconomic status, rural residence and geographical regions; Model 3 additionally controlling for psychosocial and behavioral variables: marital status, living arrangement, social and leisure activity index, smoking, alcohol drinking, BMI, regular dietary (vegetable/fruit/fish/nut) intake; Model 4 additionally for health variables: self-rated health, cognitive impairment, and medical illness, comorbidity, and ADL disability
  2. * Pā€‰<ā€‰0.05