Genetic and Environmental Influences on the Allocation of Adolescent Leisure Time Activities

Table 6

Parameter estimates (95% confidence intervals) for additive genetic (𝑎), shared environment (𝑐), and nonshared environmental (𝑒) influences on five leisure time activities for males.

	Physical activity	Social activity	Intellectual activity	Family activity	Passive activity
𝑎1	0.11; (.00, .33)
𝑎2	−0.10; (−.36, .24)	0.39; (.24, .49)
𝑎3	0.06; (−.21, .40)	−0.39; (−1.31, .19)	0.35; (.18, .46)
𝑎4	0.02; (−.24, .37)	−0.30; (−1.21, .37)	0.39; (.03, .77)	0.21; (.02, .35)
𝑎5	−1.69; (−1.69, 1.69)	0.54; (−.12, 1.04)	6.48; (.78, 6.48)	−0.27; (−1.89, .90)	0.09; (.02, .30)
𝑐1	0.40; (.20, .54)
𝑐2	0.52; (.24, .75)	0.09; (.03, .21)
𝑐3	0.10; (−.22, .36)	0.32; (.01, .92)	0.06; (.05, .20)
𝑐4	0.33; (.02, .57)	0.05; (−.48, .52)	−0.16; (−.48, .11)	0.09; (.01, .26)
𝑐5	5.01; (5.01, 5.01)	−0.06; (−.41, .42)	−0.35; (−.35, −.24)	0.00; (−1.15, 1.02)	0.16; (.01, .26)
𝑒1	0.49; (.42, .57)
𝑒2	0.58; (.39, .78)	0.52; (.44, .60)
𝑒3	0.84; (.61, 1.12)	1.06; (.68, 1.68)	0.59; (.51, .68)
𝑒4	0.64; (.45, .87)	1.23; (.79, 1.01)	0.79; (.56, 1.04)	1.28; (.68, 2.42)
𝑒5	−2.31; (−2.31, 2.31)	0.52; (.19, .91)	−5.13; (−5.13, −.89)	1.28; (.67, 2.42)	0.75; (.73, .83)

Note: bold indicates significant parameter estimates.