Table 1.

Descriptive statistics

Person level (N = 57)	M (SD)/n(%)
Age	21.72 (2.14)
Female	13 (22.8%)
Ethnicity
Korean American	48 (84.2%)
Chinese American	6 (10.5%)
Japanese American	1 (1.7%)
Vietnamese American	1 (1.7%)
Indian American	1 (1.7%)
FTND total score	2.56 (2.03)
Number of days smoked last week	6.23 (0.91)
Number of cigarettes per day last week	4.58 (0.78)
Began smoking before 15 years	33 (57.9%)
Have tried to quit in the past	44 (77.19%)
Vaped for ≥1 days during MQU	20 (35.09%)
Used own Android phone	16 (28.07%)
II randomization rate	74.50 (4.03)
Post-HRSS EMA compliance rate	58.70 (21.82)
II reminder acknowledgment rate	52.68 (22.27)
Momentary lapse rate	16.44 (18.15)
Total number of days lapsed	8.91 (7.98)
Prompt-level (N = 7,682)	M (SD)/n (%)
II reminders deployed	5,734 (74.64%)
Interacted with MQU to acknowledge II  reminders that were deployed	2,992 (52.18%)
Post-HRSS EMA complied	4,488 (58.42%)
Momentary lapse	776 (17.29%)
Carried out suggested II	2,557 (56.97%)

EMA ecological momentary assessment; FTND Fagerstrom Test of Nicotine Dependence; HRSS high-risk smoking situation; II implementation intention.