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Table 1 Lifetime history of different types of NSSI in T1 sample

From: Prevalence, correlates, and prospective predictors of non-suicidal self-injury among New Zealand adolescents: cross-sectional and longitudinal survey data

Type of NSSI Ever engaged in (%) Thought about (%) Once (%) More than once (%) Many times (%)
Stuck sharp objects into the skin e.g., pins, needles, staples. 20.19 1.98 8.28 8.37 3.54
Carved words/designs into skin 17.92 3.45 9.56 6.03 2.23
Scratched skin until bled/scarred 15.70 1.56 8.63 3.97 3.02
Cut 14.22 6.90 5.26 5.26 3.71
Punched oneself 14.04 2.07 7.92 4.65 1.46
Banged head 13.82 3.20 8.03 3.37 2.42
Burned with cigarette/lighter 13.52 2.41 7.24 4.22 2.07
Prevented wounds from healing 13.40 2.59 5.27 4.67 3.46
Bit the skin until broken 8.89 1.56 5.09 2.68 1.12
Rubbed sandpaper on the skin 7.92 .34 5.08 1.55 1.29
Dripped acid onto the skin 4.93 .78 3.37 .61 .95
Rubbed glass into the skin 2.84 .95 1.21 1.03 .60
Scrubbed bleach/oven cleaner into the skin 2.24 .69 1.29 .60 .34
Broken bones 1.81 1.38 .95 .52 .34