Table 3.

Bivariate correlations T1 friendship features and social emotional well-being with friendship breakup.

	Sex	ACP Dyad	Fr year T1	Fr break	Conflict	CES-D T1	RES T1	Lone T1	SAS T1	Fr rank	How well T1	Sat T1	PSSFr T1	FQS Neg T1	FQS pos T1
ACP	0.002	0.654**	0.182	0.225*	0.239*	0.411*	−0.259*	0.352*	0.272*	−0.137	0.006	−0.028	−0.099	−0.134	0.024
Sex		−0.022	0.252*	−0.152	0.184	−0.170	0.216*	−0.143	−0.242*	0.078	−0.112	0.010	−0.072	0.130	−0.374**
ACP Dyad			0.158	0.207	0.219*	0.389**	−0.331**	0.364**	0.328**	−0.123	−0.158	−0.104	−0.076	−0.234*	0.130
Fr year T1				−0.229*	−0.010	0.191	−0.117	0.198	0.002	−0.214	0.098	0.015	0.003	−0.341**	0.021
Fr break					0.389*	0.206	−0.241*	0.087	0.207	0.009	−0.057	−0.108	0.007	0.196	−0.096
Conflict						0.231*	−0.164	0.227*	0.275*	−0.153	0.056	−0.051	−0.062	0.080	−0.031
CES-D T1							−0.650**	0.726**	0.595**	−0.120	−0.195	−0.300**	−0.393**	−0.142	−0.146
RSE T1								−0.624**	−0.682**	0.095	0.130	0.194	0.262*	0.149	−0.032
Lone T1									0.580**	−0.002	−0.071	−0.083	−0.477**	−0.223*	−0.212
SAS T1										−0.074	−0.085	−0.175	−0.371**	−0.146	−0.026
Fr rank											−0.267*	−0.376**	−0.088	−0.062	−0.476**
How well T1												0.497**	−0.088	0.174	0.430**
Sat T1													0.181	0.060	0.484**
PSSFr T1														0.137	0.291**
FQS Neg T1															0.260*

T1, Time 1; ACP, Adolescent with chronic pain; ACP dyad, Membership in a dyad that includes an ACP; Fr year, How long have you been friends (in years); Fr break, Friendship breakup; conflict, Breakup in friendship due to conflict; CES-D, depression score; RSE, self-esteem score; Lone, loneliness score; SAS, social anxiety score; how close is the friendship (1 = very best friend; 5 = acquaintance); How well, How well do you think this friendship is going; Sat, How satisfied are you with this friendship; PSSFr, Perceived social support from all your friends; FQS neg, Negative friendship quality; FQS pos, Positive Friendship quality.

^* p value 0.05,

^**p value 0.01.