Table 4.

Independent samples t-test comparing dyadic coping, relational mutuality, and quality of life among Younger and Middle-Age breast cancer patients.

Variable	Age group	M	SD	T	p
Stress communication	Younger patients	4.14	0.79	−0.71	0.48
	Middle-age patients	4.26	0.67
Common dyadic coping	Younger patients	3.53	0.67	−0.77	0.44
	Middle-age patients	3.65	0.79
Positive dyadic coping	Younger patients	4.15	0.75	0.04	0.96
	Middle-age patients	4.15	0.85
Hostile dyadic coping	Younger patients	2.07	0.57	1.45	0.15
	Middle-age patients	1.90	0.49
Avoidance of dyadic coping	Younger patients	2.79	0.89	0.94	0.35
	Middle-age patients	2.61	0.85
Relational Mutuality	Younger patients	4.38	0.70	−0.57	0.57
	Middle-age patients	4.46	0.63
Physical well-being	Younger patients	18.51	6.25	−2.94	0.005**
	Middle-age patients	22.17	4.73
Social well-being	Younger patients	21.51	4.06	−1.84	0.06
	Middle-age patients	23.27	4.48
Emotional well-being	Younger patients	14.28	4.98	−3.48	0.001**
	Middle-age patients	17.50	2.73
Functional well-being	Younger patients	17.60	5.65	−1.47	0.14
	Middle-age patients	19.30	4.97
Breast cancer symptoms	Younger patients	22.59	5.69	−2.86	0.005**
	Middle-age patients	25.67	4.26
FACT-G	Younger patients	72.36	15.50	−3.12	0.001**
	Middle-age patients	82.21	11.75
FACT-B	Younger patients	95.03	19.35	−3.17	0.002**
	Middle-age patients	107.75	13.46

^*p < 0.05,

^**p < 0.01,

^***p < 0.001.