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 |