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Table 4 Bivariate correlation coefficients (according to Pearson) for regulation problems (T1, T2), children`s developmental levels (T1, T2, T3), maternal stress levels and dysfunctionality of the mother-child interaction (T1)

From: Influence of early regulatory problems in infants on their development at 12 months: a longitudinal study in a high-risk sample

 

SFS C/S T1

SFS F T1

ASQ C T1

ASQ GM T1

ASQ FM T1

ASQ PS T1

ASQ SD T1

PSI PD T1

PSI DI T1

SFS C/S T2

SFS F T2

ASQ C T2

ASQ GM T2

ASQ FM T2

ASQ PS T2

ASQ SD T2

ASQ C T3

ASQ GM T3

ASQ FM T3

ASQ PS T3

ASQ SD T3

SFS C/S T1

1

                    

N = 153

SFS F T1

.298***

1

                   

N = 153

N = 153

ASQ C T1

n.s.

n.s.

1

                  

N = 153

ASQ GM T1

n.s.

n.s.

.393***

1

                 

N = 153

N = 153

ASQ FM T1

n.s.

n.s.

.296***

.376***

1

                

N = 153

N = 153

N = 153

ASQ PS T1

n.s.

n.s.

.334***

.434***

.548***

1

               

N = 151

N = 151

N = 151

N = 151

ASQ SD T1

n.s.

n.s.

.385***

.389***

.400***

.544***

1

              

N = 152

N = 152

N = 152

N = 150

N = 152

PSI PD T1

.353***

.237**

n.s.

n.s.

n.s.

n.s.

n.s.

1

             

N = 127

N = 127

N = 127

PSI DI T1

.291***

.277**

n.s.

n.s.

n.s.

n.s.

n.s.

.533***

1

            

N = 126

N = 126

N = 126

N = 126

SFS C/S T2

.570***

.284**

n.s.

n.s.

n.s.

n.s.

n.s.

.349***

.278**

1

           

N = 140

N = 140

N = 121

N = 120

N = 140

SFS F T2

.223**

.573***

n.s.

n.s.

n.s.

n.s.

n.s.

.305***

.313***

.419***

1

          

N = 140

N = 140

N = 121

N = 120

N = 140

N = 140

ASQ C T2

n.s.

n.s.

.297***

.242**

.235**

.247**

.382***

n.s.

n.s.

n.s

n.s

1

         

N = 137

N = 137

N = 137

N = 135

N = 136

N = 137

ASQ GM T2

n.s.

n.s.

.242**

.292***

.372***

.286***

.171*

n.s.

n.s.

n.s

n.s

.259**

1

        

N = 138

N = 138

N = 138

N = 136

N = 137

N = 137

N = 138

ASQ FM T2

n.s.

n.s.

.211*

.187*

.320***

.252**

.266**

n.s.

n.s.

n.s.

n.s.

.378***

.191*

1

       

N = 134

N = 134

N = 134

N = 132

N = 133

N = 133

N = 134

N = 134

ASQ PS T2

-.173*

n.s.

.221*

.321***

.403***

.296***

.282**

n.s.

n.s.

n.s.

n.s.

.338***

.446***

.292***

1

      

N = 137

N = 137

N = 137

N = 137

N = 135

N = 136

N = 136

N = 137

N = 134

N = 137

ASQ SD T2

n.s.

n.s.

n.s.

.332***

.397***

.401***

.292***

n.s.

n.s.

n.s.

n.s.

.236**

.475***

.247**

.331***

1

     

N = 137

N = 137

N = 135

N = 136

N = 136

N = 137

N = 134

N = 137

N = 137

ASQ C T3

n.s.

n.s.

.311***

.189*

.249**

.208*

.289***

-.228*

-.216*

n.s.

n.s.

.400**

.342***

.339***

.341***

.257**

1

    

N = 123

N = 123

N = 123

N = 121

N = 122

N = 109

N = 108

N = 119

N = 120

N = 116

N = 119

N = 119

N = 123

ASQ GM T3

n.s.

n.s.

n.s.

n.s.

.291***

.353***

.310***

n.s.

n.s.

n.s.

n.s.

.299***

.432***

n.s

n.s.

.449***

.212*

1

   

N = 122

N = 120

N = 121

N = 118

N = 119

N = 118

N = 122

N = 122

ASQ FM T3

n.s.

n.s.

n.s.

.355***

.293***

.297***

.277**

n.s.

n.s.

n.s.

n.s.

.257**

.345***

.281**

.289**

.380***

.344***

.259**

1

  

N = 122

N = 122

N = 120

N = 121

N = 118

N = 119

N = 115

N = 118

N = 118

N = 122

N = 121

N = 122

ASQ PS T3

n.s.

n.s.

n.s.

n.s.

n.s.

n.s.

n.s.

n.s.

n.s.

n.s.

n.s.

.206*

n.s.

n.s

.193*

n.s.

.277**

.193*

.257**

1

 

N = 116

N = 116

N = 120

N = 119

N = 120

N = 120

ASQ SD T3

-.217*

n.s.

.235**

.314***

.446***

.300***

.284***

n.s.

n.s.

-.237**

-.216*

.309***

.459***

.347***

.487***

.487***

.496***

.421***

.509***

.273**

 

N = 123

N = 123

N = 123

N = 123

N = 121

N = 122

N = 122

N = 122

N = 119

N = 120

N = 116

N = 119

N = 119

N = 123

N = 122

N = 122

N = 120

  1. SFS: Questionnaires on Crying, Feeding and Sleep; C/S: “Crying / Sleep”; F: “Feeding”; PSI: Parental Stress Index; PD: “Parental distress”; DI: “Dysfunctional parent–child interaction”; ASQ: Ages and Stages Questionnaire; C: “Communication”; GM: “Gross motor skills”; FM: “Fine motor skills”; PS: “Problem-solving skills”; SD: “Social development”; ***: p ≤ 0.001; **: p ≤ 0.01; *p ≤ 0.05; n.s.: not significant.