Table 6 Mediation analysis testing the indirect effects of moral motivation on psychological health indicators via dietary adherence

Constant

3.87*** (.50)

3.32*** (.43)

2.97*** (.34)

3.56*** (.37)

1.59** (.55)

1.15* (.65)

1.04 (.54)

Moral FCM

.12 (.07)

 − .03 (.05)

.03 (.04)

 − .02 (.04)

.04 (.07)

.05 (.08)

.06 (.06)

Subjective adherence

 − .07 (.05)

 − .10* (.04)

 − .07 (.04)

.08 (.07)

.07 (.08)

.10 (.06)

Health FCM

 − .001 (.06)

.07 (.05)

.03 (.04)

.04 (.04)

 − .03 (.06)

.01 (.07)

.03 (.06)

Age

.01 (.05)

 − .13** (.04)

 − .16*** (.03)

 − .15*** (.03)

.07 (.05)

.02 (.06)

.15** (.05)

Gender (0 = male)

.12 (.15)

.13 (.12)

.14 (.09)

.15 (.10)

.19 (.15)

 − .24 (.17)

 − .04 (.15)

Ethnicity (0 = non-White)

.31 (.18)

.21 (.14)

 − .03 (.11)

.09 (.12)

 − .19 (.18)

 − .34 (.21)

 − .09 (.18)

Urbanicity

 − .01 (.05)

 − .002 (.04)

.002 (.03)

 − .02 (.03)

 − .002 (.05)

 − .01 (.05)

 − .02 (.04)

Income

.03 (.05)

 − .09* (.04)

 − .08** (.03)

 − .07* (.03)

.11* (.05)

.07 (.06)

.06 (.05)

Diet type (0 = non-strict vegetarian)

.79*** (.16)

.10 (.13)

 − .08 (.10)

 − .04 (.11)

 − .10 (.17)

 − .19 (.20)

 − .29 (.17)

Physical health

.17* (.09)

 − .21** (.07)

 − .06 (.05)

 − .16** (.06)

.44*** (.08)

.47*** (.10)

.45*** (.08)

Indirect effect via dietary adherence

 − .01 (.01) [− .03, .005]

 − .01 (.01) [− .03, .002]

 − .01 (.01) [− .03, .003]

.01 (.01) [− .01, .03]

.01 (.01) [− .01, .04]

.01 (.01) [− .004, .04]