CINXE.COM

Just a moment...

<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="120"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "publications.waset.org",cType: 'non-interactive',cRay: '912d82965a9340b3',cH: 'rY9SKpkxNC9lQIyjSRXAJIrUonRijdRZGS4yNHCAvMc-1739708619-1.2.1.1-KFycjBEKc8KPIim0mNVaxpFs_lgK8piJdIgr4cdX77uNhAG6LcGQQq2v5.HMZgbQ',cUPMDTk: "\/abstracts\/129475\/the-sexual-knowledge-attitudes-and-behaviors-of-college-students-from-only-child-families-a-national-survey-in-china?__cf_chl_tk=e48W4bYp7O4jnicriSlWCqGuJpjXIMM8qNQWEeQBOX4-1739708619-1.0.1.1-SfsfV8Gl8MQN4MF1mvwTpsuymueba96cIKQNfBAkioU",cFPWv: 'b',cITimeS: '1739708619',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/129475\/the-sexual-knowledge-attitudes-and-behaviors-of-college-students-from-only-child-families-a-national-survey-in-china?__cf_chl_f_tk=e48W4bYp7O4jnicriSlWCqGuJpjXIMM8qNQWEeQBOX4-1739708619-1.0.1.1-SfsfV8Gl8MQN4MF1mvwTpsuymueba96cIKQNfBAkioU",md: "uOgo3UBFkivUAW.bPGPNzkQNFO4bSpyE6UcSYqlrH8Q-1739708619-1.2.1.1-Rm_XKZOB6E_GlkF9yVA0SCc65eYanwcDAjaycKFDqAf7NyFX5RcD2tr_sdYxe9xHPvuJRCrTThWmbrPRdpxnlmPT895yO3rmXt6NDOUGPbEs5eSIycNRGtr4xcIr48sEwcopnkZysjHDB_d9yAMWUQpfpT7A2jsGpHsXkILMJowQtbjjVr73SRcuBxDLGX1ZZ5XO4lnWfx9SPARZ8IAyrOKU3Wrj0K_0J.Z9Bt4WTAgzHjUoYRr7c5lPG1yQfLrl_9otVOExi6nbTXxrziHLw4YEwNlkG9eGFqGpgd6TWH8chQWIWsUykq20jXzbsmdx_gew3GvG6AlpxbLA77OLqXMtJ5IzBuK02Tr4aDiIw_kAVSWkbF9zOAYG.P7WdIewz9hPt0JIHKcfEOlijrnjMm7sDV9atzB80SpryVxnmWTHFsEtJ0qpfrjCjUNXSR1LmiYbkb11m.OxtrSNkvmTsg0uxyQEhr_5o1ZYbKp2zsgFd7vTBaWoWvpjBe7BduPJQKGZ.jiDaZHNV4M58onLoFov92it.Jj2YRqsgylmbBvY2jSfiiHV_l7H0T8M92uKZ8MMY.9KdCs7eJT0YHtxsTtRl_dLSvAcAb2gkBfPxr5nOYuIZD399PXAQxSqXTYusbwg.xWNxK4ZwWHegP3KO0.rC8CiXjtXIraYl2v1UdyEdw9Fw7jpGwX9W3rINAQNYGMzjU7b.82pSqIriu10_ohLTtvaLHsKcAsdHMRxukD88Yas16asAeUvSFpPDANVCcWgSzUfbLDSa1dR2EwhBwGHgWKLQ7l1O69fFkJwQkGpMDG.HY5EUzeyEGV5YRturFqt9L5BXAF_8ig5dBs7sMMMljwYy0KEXtz.gDxL_Ll2ywJBQnena1G0J6GPHb4pGM6dp5D_ycU8dVxniVw5ckGi4H6ZCifvvwkxXVbri8cS96yHRj9QQ34sMaQhzpfsJmpSDiYqlJmQZWhm5H8KSA3dNR9XOtm1sp2Wrxp4cczELMamKLjCNDiMAY5A9UdIUByoLQ2SSFP7uBYK9bZrwLOKCm_xXfMlp1P0lstotWPqfIidMuq0O1nji2DdK0COfoOvCaRUYxQY0mwWSgFbIEBmjnTH.nSIZgey3N1m_oei5Pp9A9_65t36qxqQiLsBBQkljH.RrDeMKYV50us9pUDKIl5_3FT1Ydo9TdDOQHHurwiUfQZNEnRlFv_HARvHBECUnNLJbl8LtTPWHYrqArjxWqOOE4wJvSIxHGAax6AMvQulQwBrHqLstM6Iw3v1Glt8FqphJsKZYOWMuaAKqISHJ3stdj3y6Kd9ZgGDIAqQNmPYRl8LWw7582hSVbfTcMQjLnq1n6tGVzkZi7sBI0AK88XFnTm1X2CmBkPcIOiNM7woP_Tv9SP7Ere8uugo7BxtPOGI0TyX3yivuO6rSlv4pO_HMZpJRST.2Um_j4VqBREYvK7qHuGhzLifdKhNYnYH3wo14GtbrWF8whLkITMyvAX.WV_cSTMOw_bDHhTCApRzuRfDBFJOot1yJvaQ1SDuvEaInxfqlj6OrIDqXvr8C4Tx5SW95k1swMq7vjtYnA6g1udVvhBfHJ6PAyyW_4NZ6ATnipRTyDzcUTg28AbTsavUwWUotGijoGtuDsHKE_UynA_QuTSeYBetvwMNBGp6m0DZH1NnGk4B_W8HcHX5UZiHnbVBlCu9JufT4g1MdF5.sYej8N7T86RrMQrbMbmu4a7nPiKqc1Vks3uXWC_nYR8Ul.Be.Q_P.mnPxEMyDw0uqHltIP5gCqEq26.9vnuGVaPGRZaMgBCcC.lce4GjrPeQEAzWqxVlezNgveVdnFJZhOMfdJkIArojWfsRPZVTKlb2WVLtJ74.I_zBBUAet0MBHbe0l2B3ToLwBYVXtPHmHxtIgYOfqYTR_snyQxqFOV.Sxl8OUy_mOF9kWYwJrZxeY8b9J7mY3We6utgI8xopUnV1yEu6oppActW0b7YkZCau5s_JGzpcyKTOPG5VS.B.TUohprOSbB5bv_de0c34XOBrrMyp6LmQ9dtYWoHOYS.PG42hheVphZllXj6sznHh72uQcV9wJfm7RXo8XZLwYnQQqON1oKsyTmIxUlR0SYmgWo7FEWDr6mngXujWiuRfxNkAa8zZxHQp9Rr1PUcpC3HlouxKm23JcLMMUDF_NAs3nOQ8SsjsMq6Hjk868zUIA4NaDlRPh4QGQwg",mdrd: "dhzQFcLUvmJpMKAcbx_Vk03AvlDmwAwyln4HAVQdF2U-1739708619-1.2.1.1-_KN4jh3OplSVysX59m2Tc3wPplAyzO2GTf049eFa.EUPGUR8phsTh7tiXP5JR84LFNs1vnK9b2ImCkx.ba9xdP.mjehpo4o.3xBxlhSIsEqPCwenZG_vLnSmiY_tZwfahS6ZtwKKSyHZaZy489Aghw2_O5ZKwKDLGQDdz3Hy7M9KOqoLNWPRGwvCA_8OttMgx0kDsWx5V5lWP3CW.jaW26iIyfyl0Q_y5nn_3eQsodrBUwV31ShaArrioWy.gpiWf9fkMswqmGnX1UjGe4moPuOoI6pSHz8_nNObxSP3A3z7PkpxUoMUUIf6wo4BI46VBZMu8nMX38x2idS8VFbURGny4jAef9ciCEwwz5PUMmGCEW2BiHdQ1NeqlPR_P61N1es3iXik7oGrW2qPJg2FKdQTxwPjNwd2hmb2Vbiy9evK4rELPzr.n9GUl3fhsAkpog45a4zvd9Tt_Hs8T86h.0Hb8DnD1ocfCAXESiE2H6gkJJ3RPvAZu1s3ZSl7eOHp80mbWV.KfKGocZMfe5O62fETPrL6XANzJp3G6zj_9UA5VsUaPk0tg31xaUI2lLi2XEVZyFpkUYop70lgIUFsD0IOQdXp4nZZMzliyDzF0x5dkT6jlS2_u0.KdfxhlTGrelX_WpZH6zQMKBtsJEFtwDGlpLdAIjcdd6zigpOGhrwYzPpk7WKvK6mfEmctE2qe2ABJ34EurDFwQzG5sdlaiSWEkgJMNSmHIINJoSYDle47y6rS56A2bPhyt.cpR8XuYCkq_ci6dTJ3EuZ20jOMXVzyu.T7xdBUWpwuDNrcRyeNwzYnv5VcEvmvJLSTi4F0lOlPy6Q.ICNtv76B0ghVkFArwHvQLtXq36YHQb8Ej7DuzMiXpY__NyS6wL7zVdZJSSXAB78.eIG8BhdKN4FtXipcAOpwboptPXMUQm1KGC83iF9gFjVT4PtIg0FTqpqDRUkTXweDZTZx_7SAtpkLXAxEjqrsCgwpsbz6eNR70A.m2o5jTNJzpKF6yVa2T0DuoBU6QeKe9UUID3FykfuCXfoP7UxOTzKdnVPvW8XHetCsBWLBenrbrgFJwuPpE0SAeK56o0rg0b4UUv0Ta5QmEc9zQk5jjUdxdlARunb.iOduWCtflKqbeToyFdVJjwIKjg436VFx65AzElCpnHSfkY35WZDWoIJjknba4C1uwEmQ9qtDYQFLhrE4kusqUbm2F2IqUrHkg.SQCjvcn2wnxoimyeAYFE_UscpoFOrsI_Cshareamhdsu5ci9mkhQgyahm39t_WiXC2d.j5mJOtNEv2ZFOoiB2C6M_SSarNYSDUo6hiE47nUL0DTGyEzzscd8SNKiT3QdZIUgCoq5wjhajl.kmzr5LOROkiJvsZYRd5gjXc9LyKC2ClwwQ.D1yyT7oJWM_0FYoXRvG0snwU9mCfHQ9WRxJqCcOYv9RKq70zHZK67yQEN9LKYGn6ZOVSfXcUsBYxq21NFqv0Vkp0hM147y18jkzUMHHpP522zyXWTWvh1FZYbM.iffPmRZEibjA1PXM4wnwqyjD3JjoBhQw0oWIim51V998md7IHnYCiv5Jajo5ke0I0hhWnIqPE2ZIROX5XIq9cOhgpRvEiFDdFkSm96UnRQKmtAd8qrpqU2.0GjQaX.9BykpnqW.HJhLZjF4UpXi7j4a7_0oClyGc.PV1uAE6y6VEyqQEgmErnXI.6TEzSl4oraPQabFrPIP3c2XQp9J6i8yIQTdwNiHGjep.ouLhlNqkmky2o_dWwmRweq6yZtzWVcU0xKldnnNR9OBNl0OQdteBqXkpTgKiC84NxnFxEEg7vnWCw6gdYxdkC.kTbpbg..r3QmrYhGs6mhMHLN5_Tt5s.OjSFih3g2XHwentxag6EdI70sCk19NJyJpFRFTpC8AP3C_Ax1kqNvUu60O7WNzhUZ8hVjlXAz3FrUddCuwRaXFiiLMMKArmE79rtDUPorkGxeUwv"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=912d82965a9340b3';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/abstracts\/129475\/the-sexual-knowledge-attitudes-and-behaviors-of-college-students-from-only-child-families-a-national-survey-in-china?__cf_chl_rt_tk=e48W4bYp7O4jnicriSlWCqGuJpjXIMM8qNQWEeQBOX4-1739708619-1.0.1.1-SfsfV8Gl8MQN4MF1mvwTpsuymueba96cIKQNfBAkioU" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>