Table 3 Unadjusted and adjusted β coefficients for systolic blood pressure associated with frequency of dairy product consumption among adults in Zhejiang

N. participants (Total)

50,746

1757

1413

 SBP, mmHg

135.6 ± 21.3

130.6 ± 19.4

128.8 ± 19.3

  Unadjusted β (95% CI)

Ref

 − 4.97 (− 5.98, − 3.96)

 − 6.76 (− 7.88, − 5.65)

  Model 1 β (95% CI)

Ref

 − 2.62 (− 3.58, − 1.66)

 − 4.58 (− 5.65, − 3.52)

  Model 2 β (95% CI)

Ref

 − 2.36 (− 3.32, − 1.40)

 − 4.03 (− 5.11, − 2.95)

  Model 3 β (95% CI)

Ref

 − 1.62 (− 2.54, − 0.69)

 − 2.63 (− 3.68, − 1.58)

N. participants (Men)^a

21 468

620

485

 SBP, mmHg

136.7 ± 20.6

132.7 ± 18.4

132.8 ± 18.9

  Unadjusted β (95% CI)

Ref

 − 4.02 (− 5.65, − 2.39)

 − 3.95 (− 5.79, − 2.10)

  Model 1 β (95% CI)

Ref

 − 2.13 (− 3.71, − 0.55)

 − 2.67 (− 4.45, − 0.89)

  Model 2 β (95% CI)

Ref

 − 2.01 (− 3.60, − 0.43)

 − 2.47 (− 4.26, − 0.68)

  Model 3 β (95% CI)

Ref

 − 2.12 (− 3.64, − 0.60)

 − 2.25 (− 3.99, − 0.51)

N. participants (Women)^a

29 278

1137

928

 SBP, mmHg

134.8 ± 21.7

129.5 ± 19.8

126.8 ± 19.2

  Unadjusted β (95% CI)

Ref

 − 5.28 (− 6.55, − 4.00)

 − 8.00 (− 9.41, − 6.59)

  Model 1 β (95% CI)

Ref

 − 2.82 (− 4.02, − 1.61)

 − 5.40 (− 6.73, − 4.07)

  Model 2 β (95% CI)

Ref

 − 2.29 (− 3.50, − 1.08)

 − 4.24 (− 5.60, − 2.88)

  Model 3 β (95% CI)

Ref

 − 1.01 (− 2.18, 0.15)^b

 − 2.26 (− 3.59, − 0.93)^b