Table 1 Demographic and clinical features of the subjects included in the study
Study subjects (n = 608) | Early adolescence (age 14–16) N = 341 (56.08%) | Late adolescence/early adulthood (age 17–19) N = 267(43.91%) | T or χ 2(df = 2) | p |
|---|---|---|---|---|
Demographics | ||||
Age in years, mean ± sd | 15.03 ± .81 | 17.74 ± .76 | 42.100(606) | <0.001 |
Sex F/M, n(%) | 258(75.70 %)/83(24.3%) | 178(66.70 %)/89(33.3%) | 5.970(1) | ns |
BMI, mean ± sd | 21.13 ± 3.26 | 21.89 ± 3.34 | 2.580(503) | ns |
Bisantis' assertiveness test, mean ± sd | ||||
Passive (range) | 41.76 ± 8.24(20–62) | 42.24 ± 9.26(15–62) | .674(606) | ns |
Aggressive (range) | 21.92 ± 5.32(6–39) | 22.19 ± 5.09(1–32) | .631(606) | ns |
Assertive (range) | 63.63 ± 9.12(36–85) | 64.29 ± 10.40(18–84) | .831(606) | ns |
Eating Disorder Inventory (EDI), mean ± sd | ||||
Drive to thinness (range) | 5.64 ± 5.62(0–21) | 4.21 ± 4.25(0–19) | −3.465(606) | .001 |
Bulimia (range) | 3.46 ± 3.72(0–16) | 2.54 ± 3.00(0–14) | −3.308(606) | .001 |
Body dissatisfaction (range) | 7.99 ± 6.49(0–31) | 7.43 ± 6.08(0–26) | −1.092(606) | ns |
Ineffectiveness (range) | 4.67 ± 4.64(0–34) | 4.42 ± 4.56(0–26) | –.654(606) | ns |
Perfectionism (range) | 5.21 ± 3.59(0–16) | 5.31 ± 3.22(0–15) | .353(606) | ns |
Interpersonal distrust (range) | 5.74 ± 3.49(0–17) | 5.23 ± 3.48(0–18) | −1.801(606) | ns |
Interocept awareness (range) | 6.93 ± 5.78(0–28) | 5.75 ± 5.04(0–26) | −2.634(606) | ns |
Maturity fears (range) | 7.96 ± 3.90(0–19) | 8.12 ± 4.39(0–22) | .478(606) | ns |
EDI (total score) (range) | 47.53 ± 23.85(1–142) | 42.66 ± 20.85(8–147) | −2.637(606) | ns |
Liebowitz' Social Phobia Scale (LSPS), mean ± sd | ||||
Fear of relationship sub-scale (range) | 14.87 ± 7.32(0–49) | 13.91 ± 6.35(0–34) | −1.708(606) | ns |
Avoidance of relationship sub-scale (range) | 13.87 ± 6.54(0–36) | 13.02 ± 6.37(0–30) | −1.595(606) | ns |
Fear of performance sub-scale (range) | 28.74 ± 12.93(1–80) | 26.93 ± 11.44(0–63) | −1.801(606) | ns |
Avoidance of performance sub-scale (range) | 12.47 ± 7.01(0–33) | 11.82 ± 6.21(0–30) | −1.202(606) | ns |
Total fear sub-scale (range) | 12.25 ± 6.34(0–33) | 11.54 ± 6.05(0–31) | −1.405(606) | ns |
Total avoidance sub-scale (range) | 24.68 ± 12.50(0–66) | 23.36 ± 11.17(0–61) | −1.357(606) | ns |
LPSP total score (range) | 53.18 ± 24.01(2–139) | 50.15 ± 21.36(0–121) | −1.620(606) | ns |
BigFive, mean ± sd | ||||
Extraversion (range) | 81.88 ± 10.41(58–113) | 78.25 ± 46(43–106) | −2.628(226) | ns |
Agreeableness (range) | 77.69 ± 6.99(57–59) | 75.39 ± 9.33(45–95) | −2.095(226) | ns |
Conscientiousness (range) | 77.86 ± 9.90(53–101) | 81.61 ± 8.92(57–101) | 3.005(226) | .003 |
Neuroticism (range) | 61.37 ± 12.50(39–93) | 64.36 ± 11.27(33–93) | 1.900(226) | ns |
Openness to experience (range) | 76.76 ± 8.14(61–101) | 77.74 ± 9.68(55–101) | .819(226) | ns |