Table 4 Association of baseline and change in HbA1c with risk of incident hypertension

Baseline HbA1c

Unadjusted

1 (ref)

1.322 (1.008–1.734)

1.555 (1.184–2.042)

1.186 (1.061–1.324)

Model 1

1 (ref)

1.165 (0.883–1.536)

1.250 (0.943–1.658)

1.090 (0.973–1.222)

Model 2

1 (ref)

1.157 (0.856–1.565)

1.109 (0.808–1.523)

1.011 (0.891–1.147)

Model 3

1 (ref)

1.155 (0.853–1.565)

1.073 (0.779–1.479)

0.998 (0.878–1.133)

Change in HbA1c

Unadjusted

1 (ref)

1.316 (0.999–1.732)

1.449 (1.116–1.881)

1.187 (1.075–1.310)

Model 1

1 (ref)

1.375 (1.041–1.817)

1.576 (1.209–2.053)

1.231 (1.114–1.361)

Model 2

1 (ref)

1.505 (1.114–2.034)

1.686 (1.263–2.251)

1.242 (1.115–1.384)

Model 3

1 (ref)

1.512 (1.117–2.047)

1.598 (1.193–2.140)

1.214 (1.088–1.354)

Model 4

1 (ref)

1.551 (1.142–2.107)

1.690 (1.240–2.303)

1.242 (1.106–1.394)