I'm just going to jump in and say it's not so much a cultural thing as it may be a guy thing. I have a husband and a younger brother who will read me the Riot Act if I am traveling alone and don't stay in touch with them constantly. They, on the other hand, feel no such compunction to advise me of their movements!
When I was landing last month, my flight was delayed on the ground for 2 hours, so I didn't clear Customs and Immigration until almost 4 hours later than expected. Then, I discovered my cell phone would not pick up a signal, although it was set to roam. I did manage to get online, only to have my brother freak out on me that I was late checking in, what on earth was going on, etc etc. I cannot tell you how many times he has driven the 3.5 hours to visit me in Kingston (our family lives on the opposite end of the island), solemnly promised to call me when he arrives back home, and done no such thing. I, of course, was never expected to freak out and get mad at him for not contacting me. Never mind that he was on the road at all hours and my countrymen drive like madmen for the most part (I'm not kidding, they do).
As for my husband, well. He jumped into life in Jamaica and was on his own quite often because I worked long hours. I would come home to hear of jaunts to neighbouring parishes (no discussions beforehand to say he was going), and once he even went on a trip that was supposed to be for a couple hours that turned into him coming home at 3 a.m. I got no texts, no calls to say "Hey, we're going to hang out here a bit longer", oh no, because THAT might have been too much trouble! :
After once discussing with my husband that it was not fair to be out all hours and not expect me to worry, seeing as how he worried when we were apart, I let the matter go. I pick my battles, and going on about that particular piece of male boneheadedness just isn't one I want to fight often.