Table 2 Level of interest in other people and relationships according to adolescent lockdown perception clusters from the PARIS birth cohort (N = 791)

Interest in other people

During the past week

 Feeling interested in other people

< 0.001

< 0.001

0.14

  None of the time, rarely

59 (40)

52 (16)

62 (20)

173 (22)

  Some of the time, often

80 (55)

249 (74)

210 (67)

539 (68)

  All of the time

7 (5)

33 (10)

39 (13)

79 (10)

 Feeling close to other people

< 0.001

< 0.001

0.03

  None of the time, rarely

67 (46)

58 (17)

40 (13)

165 (21)

  Some of the time, often

74 (51)

230 (69)

206 (66)

510 (64)

  All of the time

5 (3)

46 (14)

65 (21)

116 (15)

Level of worry about the coronavirus regarding

 Family health¹

< 0.001

< 0.001

< 0.001

  Low

40 (27)

38 (11)

125 (40)

203 (26)

  Moderate

51 (35)

122 (37)

142 (46)

315 (40)

  High

55 (38)

174 (52)

44 (14)

273 (35)

 Friends’ health¹

< 0.001

< 0.001

< 0.001

  Low

67 (46)

90 (27)

211 (68)

368 (47)

  Moderate

48 (33)

151 (45)

79 (25)

278 (35)

  High

31 (21)

93 (28)

21 (7)

145 (18)

Relationships

Since the beginning of lockdown

 Suffering from loneliness¹

< 0.001

< 0.001

< 0.001

  Low

56 (38)

198 (59)

247 (79)

501 (63)

  Moderate

43 (30)

74 (22)

47 (15)

164 (21)

  High

47 (32)

62 (19)

17 (6)

126 (16)

 Suffering from overcrowded living conditions¹

< 0.001

< 0.001

< 0.001

  Low

80 (55)

252 (76)

271 (87)

603 (76)

  Moderate

39 (27)

51 (15)

32 (10)

122 (16)

  High

27 (18)

31 (9)

8 (3)

66 (8)

 Relationship with father

  Deterioration

26 (18)

25 (8)

18 (6)

69 (9)

0.001

< 0.001

0.39

  Improvement

14 (10)

85 (26)

41 (13)

140 (18)

< 0.001

0.27

< 0.001

 Relationship with mother

  Deterioration

25 (17)

16 (5)

14 (5)

55 (7)

< 0.001

< 0.001

0.86

  Improvement

19 (13)

108 (32)

49 (16)

176 (22)

< 0.001

0.44

< 0.001

 Relationship with sibling

  Deterioration

25 (17)

19 (6)

23 (7)

67 (9)

< 0.001

0.002

0.38

  Improvement

42 (29)

119 (36)

66 (21)

227 (29)

0.14

0.08

< 0.001

 Relationship with friends

  Deterioration

27 (19)

29 (9)

27 (9)

83 (11)

0.002

0.002

1

  Improvement

40 (27)

104 (31)

37 (12)

181 (23)

0.41

< 0.001

< 0.001

 Deterioration of family tensions

42 (29)

54 (16)

24 (8)

120 (15)

0.001

< 0.001

0.001

 Talk, confide, and express themselves more often

  With friends

36 (25)

92 (28)

30 (10)

158 (20)

0.51

< 0.001

< 0.001

  With parents

23 (16)

82 (25)

119 (38)

224 (28)

0.03

< 0.001

< 0.001

  With teachers

6 (4)

57 (17)

14 (5)

77 (10)

< 0.001

0.85

< 0.001

 Understood, reassured more often

  By friends

31 (21)

62 (19)

13 (4)

106 (13)

0.50

< 0.001

< 0.001

  By parents

14 (10)

71 (21)

63 (20)

148 (19)

0.002

0.004

0.75

  By teachers

7 (5)

64 (19)

15 (6)

86 (11)

< 0.001

0.99

< 0.001

 Helped more often

  By friends

44 (30)

74 (22)

21 (7)

139 (18)

0.06

< 0.001

< 0.001

  By parents

34 (23)

115 (34)

110 (35)

259 (33)

0.015

0.01

0.80

  By teachers

9 (6)

65 (20)

17 (6)

91 (12)

< 0.001

0.76

< 0.001

 Advised more often by parents

20 (14)

76 (23)

73 (24)

169 (21)

0.02

0.02

0.83

Love relationship before the beginning of lockdown

15 (10)

67 (20)

13 (4)

95 (12)

0.009

0.01

< 0.001

 Percent of deterioration of love relationship since the beginning of lockdown

14/15 (93)

19/67 (28)

9/13 (69)

42/95 (44)

0.12

0.002

0.08