Table 3.

Sample Demographic and Baseline Characteristics

			Recruitment method
	Total (n = 103)		Facebook (n = 56)		Referred (n = 47)
	n	%	n	%	n	%	χ2
State
Washington	99	96%	52	9 3%	47	100%	3.49
Colorado	4	4%	4	7%	0	0%
Place of Residence
City	66	64.1%	31	55.4%	35	74.5%	4.11
Small town	30	29.1%	20	35.7%	10	21.3%
Rural	7	6.8%	5	8. 9%	2	4.3%
Mothers	101	98%	54	9 8%	47	100%	0.86
Race/Ethnicity
Non-Hispanic White or European	83	80.6%	42	75.0%	41	87.2%	3.97
Latino or Hispanic	7	6.8%	4	7.1%	3	6.4%
Native American or Alaskan Native	7	6.8%	6	10.7%	1	2.1%
Other	6	5.8%	4	7.2%	2	4.3%
Has BA degree or higher	67	65.7%	25	45.5%	42	89.4%	21.68***
Married or cohabiting	87	80.7%	46	82.1%	41	87.2%	0.51
Received government assistancea	28	27.2%	21	37.5%	7	14.9%	6.60*
Frequency of Facebook use
At least weekly	30	29.1%	23	41.1%	7	14.9%	8.50*
Once a month	36	35.0%	16	28.6%	20	42.6%
A few times a year or less often	37	35.9%	17	30.4%	20	42.6%
Number of Facebook friends
0-250	64	62.1%	31	55.4%	33	70.2%	2.40
More than 250	39	37.9%	25	44.6%	14	29.8%
Reasons for participating
I like the idea of helping with research	70	68.0%	37	66.1%	33	70.2%	0.20
I want to learn more about parenting	66	64.1%	31	55.4%	35	74.5%	4.06*
I am worried about my child having problems in the future	51	49.5%	26	46.4%	25	53.2%	0.47
I have participated in a parenting program in the past and found it helpful	33	32.0%	15	26.8%	18	38.3%	1.56
This is an opportunity to make some extra money	23	22.3%	13	23.2%	10	21.3%	0.06
My child is having problems and I want help	17	16.5%	10	17.9%	7	14.9%	0.16
Child has ever used drugsb	9	8.7%	7	12.5%	2	4.3%	2.18
Past-year marijuana use	19	18.4%	9	16.1%	37	21.3%	0.46
Has discussed new marijuana law with child	85	82.5%	46	82.1%	39	83.0%	0.01
Correctly answered marijuana law quizc	43	41.7%	25	44.6%	18	38.3%	0.42
As a result of the change in the marijuana law, I am concernedd that my child will be more likely…
…to use marijuana	35	34.0%	16	28.6%	19	40.4%	1.60
…to be exposed to adults using marijuana in public	70	68.0%	37	66.1%	33	70.2%	0.20

^*p < .05

^***p < .001.

^aIncludes TANF, food stamps, welfare, social security or SSI, disability pension, unemployment assistance, and free or reduced-price school lunch.

^bParent report of child’s use of alcohol, tobacco, or marijuana.

^cLegal age, legal amount, and legality of homegrown marijuana.

^dModerately or very concerned.