Table 7 Heterogeneity of the association between childhood neighborhood relationship and mental health among the middle-aged and older adults

 Childhood neighborhood relationship

0.7154

− 0.9965

0.2927

(0.1936)

(0.5703)

(0.2362)

[0.4209,1.2157]

[− 2.1175,0.1244]

[− 0.1714,0.7569]

 Age60

2.8686^**

3.2139^***

0.2314

(1.0546)

(0.8873)

(0.3130)

[1.3955,5.8965]

[1.4701,4.9577]

[−0.3838,0.8466]

 Childhood neighborhood relationship * age60

0.4182^*

−3.0119^***

−0.1170

(0.1475)

(0.8514)

(0.3128)

[0.2095,0.8348]

[−4.6853,-1.3386]

[−0.7317,0.4977]

 Childhood neighborhood relationship

0.5233^*

−2.5033^**

0.3867

(0.1433)

(0.8090)

(0.2618)

[0.3059,0.8952]

[−4.0933,-0.9133]

[−0.1279,0.9013]

 Gender

0.8914

−0.7374

0.4845

(0.3127)

(1.0231)

(0.3118)

[0.4482,1.7729]

[−2.7482,1.2734]

[−0.1283,1.0972]

 Childhood neighborhood relationship * gender

0.7348

−0.4097

−0.2325

(0.2617)

(1.0039)

(0.3129)

[0.3657,1.4768]

[−2.3827,1.5633]

[−0.8474,0.3824]

 Childhood neighborhood relationship

0.4147^***

−2.9815^***

0.1919

(0.0701)

(0.4508)

(0.1691)

[0.2977,0.5776]

[−3.8675,-2.0955]

[−0.1406,0.5243]

 Residency area

0.4164

−3.0528^*

0.1743

(0.2304)

(1.4881)

(0.3431)

[0.1408,1.2318]

[−5.9774,-0.1282]

[−0.5001,0.8486]

 Childhood neighborhood relationship * residency area

1.2591

1.5145

0.2778

(0.6914)

(1.4810)

(0.3533)

[0.4292,3.6936]

[−1.3963,4.4253]

[−0.4167,0.9722]

 Childhood neighborhood relationship

1.0150

−2.2743

0.5076

(0.4822)

(1.5626)

(0.4574)

[0.4000,2.5757]

[−5.3454,0.7968]

[−0.3913,1.4065]

 Education status

2.1107

0.1997

0.8621

(1.0233)

(1.6108)

(0.4713)

[0.8162,5.4587]

[−2.9662,3.3655]

[−0.0643,1.7884]

 Childhood neighborhood relationship * education status

0.3806

−0.5687

−0.3126

(0.1932)

(1.6491)

(0.4818)

[0.1407,1.0295]

[−3.8098,2.6723]

[−1.2596,0.6343]

 Childhood neighborhood relationship

0.4279^***

−3.2355^***

0.2913

(0.0988)

(0.7296)

(0.2012)

[0.2721,0.6729]

[−4.6694,-1.8015]

[−0.1042,0.6867]

 Income

0.9913

−0.1131

0.0264

(0.0372)

(0.1083)

(0.0311)

[0.9210,1.0669]

[−0.3259,0.0997]

[−0.0348,0.0875]

 Childhood neighborhood relationship * income

0.9989

0.1046

−0.0145

(0.0383)

(0.1101)

(0.0319)

[0.9265,1.0770]

[−0.1119,0.3211]

[−0.0773,0.0482]