Table 2 Treatment effects on substance use and expenditures
Maternal Substance Use Behavior | Family Substance Expenditure/Purchase per Week | |||||||
|---|---|---|---|---|---|---|---|---|
Alcohol and Cigarette Use Index | Alcohol Use | Cigarette Use | Opioid Use | Alcohol and Cigarette (dollars) | Alcohol (dollars) | Cigarettes (dollars) | Cigarettes (N packs) | |
A. Pre-pandemic Sample | ||||||||
Low-cash gift group mean (standard deviation) | 1.112 (1.597) | 0.475 (0.649) | 0.635 (1.331) | 0.076 (0.467) | 12.435 (26.401) | 3.412 (9.267) | 8.976 (22.958) | 1.288 (3.328) |
Cash-gift treatment effect (standard error) | 0.057 (0.118) | 0.031 (0.055) | 0.028 (0.096) | -0.031 (0.025) | 0.050 (2.105) | 1.174 (0.914) | -1.123 (1.737) | -0.144 (0.251) |
Effect size | 0.036 | 0.047 | 0.021 | -0.067 | 0.002 | 0.127 | -0.049 | -0.043 |
p-value, unadjusted | 0.628 | 0.580 | 0.769 | 0.211 | 0.981 | 0.199 | 0.518 | 0.566 |
p-value, adjusted | 0.826 | 0.826 | 0.826 | 0.552 | 0.980 | 0.395 | 0.69 | 0.713 |
N | 597 | 597 | 598 | 597 | 593 | 595 | 595 | 595 |
B. Full Sample | ||||||||
Low-cash gift group mean (standard deviation) | 9.997 (22.542) | 3.432 (9.297) | 6.582 (19.224) | 0.925 (2.632) | ||||
Cash-gift treatment effect (standard error) | 0.394 (1.493) | 0.668 (0.705) | -0.296 (1.204) | -0.039 (0.160) | ||||
Effect size | 0.017 | 0.072 | -0.015 | -0.015 | ||||
p-value, unadjusted | 0.792 | 0.344 | 0.806 | 0.809 | ||||
p-value, adjusted | 0.957 | 0.631 | 0.957 | 0.957 | ||||
N | 920 | 922 | 927 | 927 | ||||
Preregistered hypothesis | YES | NO | NO | NO | NO | NO | NO | NO |